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COVID delta variant fears spur booster shot plans around the world. The latest update

The WHO calls for a pause in the world’s booster plans, while San Francisco gives Johnson & Johnson recipients the green light for an mRNA dose. Here’s what’s going on with boosters.

For the most up-to-date news and information about the coronavirus pandemic, visit the WHO and CDC websites.

Calling the eradication of the COVID-19 virus «unlikely,» a UK scientific advisory group says (PDF) there is a «realistic possibility» that a variant will emerge that is resistant to the current battery of vaccines. Governments, public health organizations and vaccine makers are all tracking developments in coronavirus variants like delta and lambda, hoping to answer the question if booster shotstargeting new variants will be needed soon.

«Things are going to get worse,» Dr. Anthony Fauci, the chief medical advisor to the president, said Sunday on ABC’s This Week.

Currently in the US, «breakthrough» coronavirus cases caused by the dominant delta variant amount to less than 1% of people who are fully vaccinated. Both Moderna and Pfizer vaccines are proven to be over 90% effective against hospitalizations and death. The surge in new COVID-19 cases are primarily affecting unvaccinated people and causing community spread, and in turn, the return of mask mandates and guidance in hard-hit areas, even for people who have full vaccine protection. The debate over mask use and vaccine boosters underscores how scientists and other health experts continue to grapple with the uncertainties of COVID-19.

The Centers for Disease Control and Prevention’s recent study shows that vaccinated people can both contract the highly contagious delta variant and spread it. According to a widely reported internal CDC memo, the delta variant spreads as easily as chicken pox, which is considered more contagious than the flu and less contagious than measles.

To prepare for the possibility of a booster shot, the CDC said it’s weighing a third vaccine dose for people with compromised immune systems. Over the weekend, Israel began administering third doses of the vaccine to those 60 and older, and the UK plans to do the same. However, this is resulting in a backlash among countries that are struggling to deliver first and second shots to residents.

On Wednesday, World Health Organization Director-General Tedros Adhanom Ghebreyesus called for a «moratorium» on booster shots in high-income countries, citing the global disparity in vaccine distribution. Of the 4 billion doses administered globally, 80% have gone to high- and upper-middle income countries that make up less than half of the world’s population, he said.

«We cannot accept countries that have already used most of the global supply of vaccines using even more of it, while the world’s most vulnerable people remain unprotected,» Tedros said.

What does all of this mean in the US? Here’s what we know about COVID booster shots now.

Booster shot vs. new COVID vaccine: There’s a difference

Along with Moderna, Pfizer’s current two-dose vaccine provides powerful and effective protection against all known variants of COVID-19, including the delta variant, according to ongoing studies and self-reported statistics. But Pfizer also announced in July that a third dose of its vaccine is currently under development. The company said its own research showed a booster shot of its current vaccine increased antibody levels five to 10 times higher over its two-dose shots, noting that its results have not been published or peer-reviewed.

Pfizer said it believes the level of protection the first two doses of its vaccine provide can gradually decrease over time, and a third booster dose may be needed «within six to 12 months» after a person is fully vaccinated with the first two doses. Pfizer said a booster shot could enhance protection against the delta variant, which has been known to infect fully vaccinated people. Clinical trials on the booster are set to begin, as Pfizer seeks approval from government regulators for a third dose.

However, while a booster shot would complement the two doses of its existing vaccine, Pfizer is also separately working on a new vaccine formulation targeting the delta variant.

What do the CDC, FDA and WHO think about a booster shot?

The CDC and FDA initially exercised caution over a booster shot.

«People who are fully vaccinated are protected from severe disease and death, including from the variants currently circulating in the country such as delta,» the CDC and FDA said in a July 8 joint statement, without naming Pfizer. The government agencies emphasized the need for all eligible people to receive full doses of one of the approved vaccines, all of which are free.

The CDC and FDA said the question of a booster requires extensive scientific data and doesn’t depend on the input from pharmaceutical companies alone. «Virtually all COVID-19 hospitalizations and deaths are among those who are unvaccinated,» the statement mentioned, adding that the agencies will approve booster doses «if and when the science demonstrates that they are needed.»

New research has demonstrated a need. There is a growing consensus among Biden administration health officials that older individuals and those with compromised immune systems may, in fact, need a third shot. At a White House press briefing Thursday, Fauci said that it is «extremely important for us to move» to get immunocompromised people a booster, citing observational data that they generally aren’t «adequately protected» with the standard vaccine dose.

«We are now working on that, and we’ll make that be implemented as quickly as possible,» Fauci said. About 2.7% of the US adult population is immunosuppressed, CNBC reported, but immunocompromised people make up about 44% of people hospitalized with COVID complications.

Earlier in the week, at a WHO press briefing Wednesday, Tedros said that while he understands «the concern of all governments to protect their people from the delta variant,» booster shots shouldn’t be prioritized until the world’s most vulnerable people and health care workers are vaccinated.

«We call on vaccine producers to prioritize Covax,» Tedros said, referring to the world’s COVID-19 vaccine distribution program.

Is Moderna also planning to develop a booster shot?

While scientists and public health officials continue to study if those who are fully vaccinated will need a booster shot, Moderna said — along with Pfizer — it is exploring a third vaccine dose to complement the initial two vaccine shots.

I got Johnson & Johnson — Do I need a booster?

No, fully vaccinated Americans don’t need a booster yet, including those who got the single dose of Johnson & Johnson’s COVID vaccine, according to the country’s health officials. But residents in San Francisco who received Johnson & Johnson’s one-dose COVID vaccine were given the green light Tuesday to get a dose of an mRNA vaccine, though it still isn’t recommended by the city’s health department.

Dr. Grant Colfax, San Francisco’s health director, said that there isn’t conclusive evidence that getting a dose of Pfizer or Moderna benefits those who got the J&J shot, but there’s also not evidence to show it’s harmful, the San Francisco Chronicle reported.

«If people received the Johnson & Johnson and are requesting a second shot, we will accommodate them, but our policy has not changed,» Colfax said.

San Francisco’s decision to legitimize Johnson & Johnson vaccine recipients getting an mRNA vaccine comes in light of a small study that suggests the vaccine isn’t nearly as effective against the delta variant as the other vaccines. (Another study suggests that Johnson & Johnson remains effective, and the drug-maker continues to claim the vaccine is effective.)

Would the booster shot be free?

The current one-dose vaccine shot from Johnson & Johnson and two-dose versions from Moderna and Pfizer are free to anyone who wants to get vaccinated. According to the Biden administration, COVID-19 booster shots will also be free, if and when they’re approved.

Is it a good idea to mix and match COVID vaccines?

The CDC doesn’t recommend mixing and matching vaccines from the different makers, saying it hasn’t evaluated the effectiveness of mixing vaccine doses and that the «vaccines are not interchangeable.»

However, other global health agencies and countries are testing administered vaccines from two different manufacturers. In the UK, for example, a recent study found that those who received a first dose of the AstraZeneca vaccine and a second of Pfizer had a higher immune response than those who received two doses of the AstraZeneca vaccine.

In early June, the National Institutes of Health started a trial that tests mixing COVID-19 vaccines, and will determine if those who got Pfizer or J&J initially can safely receive a Moderna booster. The initial results of the study are expected in late summer 2021, the NIH said in a news release.

While we wait to see how the situation develops, here’s what we know about the delta variant, more about COVID-19 boosters and if you need to continue to wear a mask.

The information contained in this article is for educational and informational purposes only and is not intended as health or medical advice. Always consult a physician or other qualified health provider regarding any questions you may have about a medical condition or health objectives.

Technologies

Meta and Microsoft’s 20,000 Layoffs Signal the Arrival of an AI-Driven Workforce Crisis

Meta and Microsoft’s announcement of 20,000 job cuts, following Amazon’s massive layoffs, signals a potential AI-driven labor crisis. Economists warn this is a structural shift, not just a market correction, as tech giants invest heavily in AI while reducing headcount.

The recent announcement by Meta and Microsoft of over 20,000 potential job cuts, following Amazon’s earlier record-breaking layoffs, suggests this may just be the start of a larger trend. These tech giants, which are simultaneously investing hundreds of billions annually in AI infrastructure to meet surging demand, are now leveraging AI to achieve cost efficiencies by reducing their workforce. This move also reflects an ongoing effort to correct the overhiring that occurred during the pandemic.
Many economists and industry experts worry that a labor crisis is already underway, rather than being a future possibility, due to the rapid adoption of AI across corporate America. According to Layoffs.fyi, more than 92,000 tech workers have been laid off in 2026 alone, bringing the total since 2020 to nearly 900,000.
«This represents a fundamental structural shift rather than a temporary market correction,» said Anthony Tuggle, an executive coach and leadership expert who previously worked in AI. «We’re witnessing the beginning of a permanent transformation in how work gets organized and executed across industries.»
Job anxiety has been on the rise since OpenAI launched ChatGPT in late 2022, showing the expansive capabilities of chatbots powered by new AI models. Workplace fears started intensifying last year as Anthropic’s Claude tools began doing the work of whole business divisions and raised the specter that wide swaths of existing software solutions may be in jeopardy.
Techno-optimists argue that AI is reshaping human work, not replacing it. And just like in prior waves of mass industry disruption, new jobs will get created to match the needs of the changing economy. Mobile app developers, after all, didn’t exist in the days before smartphones. And what use were IT administrators before we created servers?
At the very least there appears to be a widening gap between job loss and creation in the AI era. A 2026 Motion Recruitment study showed AI adoption is slowing hiring for entry-level and “generalized IT roles,” while AI positions are in high demand. Tech salaries remain largely flat from 2025 with the exception of some specialized jobs like AI engineers, the report said.
Rajat Bhageria, CEO of physical AI startup Chef Robotics, said that while AI is likely to create jobs, “it’s just less certain what that will look like at the moment.”
“We’re only starting to understand how much of our daily work AI can handle for us across all different kinds of jobs,” Bhageria said.
Meta only hinted at AI in its announcement on Thursday. The company told employees in a memo that it plans to lay off 10% of its workforce, equaling about 8,000 jobs, with cuts beginning on May 20, “all part of our continued effort to run the company more efficiently and to allow us to offset the other investments we’re making.” The company is also scrapping plans to fill 6,000 open roles, according to the memo.
Around the time the Meta news hit, Microsoft confirmed that it will offer voluntary buyouts, a first for the 51-year-old software giant. About 7% of U.S. employees are eligible, according to a person familiar with the plans who asked not to be named because the number isn’t being made public. With about 125,000 U.S. employees, that could add up to 8,750 cuts.
Nike too?
Tech jobs aren’t only at risk in the tech industry.
Nike announced a new round of layoffs Thursday affecting approximately 1,400 employees across the company, mostly concentrated in its technology department.
“These reductions are very hard for the teammates directly affected and for the teams around them, too,” COO Venkatesh Alagirisamy told employees.
Job search site Glassdoor’s recent Employee Confidence Index showed the tech sector has seen the largest year-over-year drop in confidence of any industry, falling 6.8 percentage points in March from a year earlier to 47.2%.
Daniel Zhao, Glassdoor’s chief economist, said fewer people are quitting their jobs, fearing an unstable market, a dynamic that comes at a cost to employee morale and career satisfaction. It also means even more job cuts.
“Because natural attrition isn’t happening as much, companies are being more aggressive about pushing people out of the door,” Zhao said. “Whether that means explicit layoffs or raising the bar for performance reviews, there’s a whole host of measures employers are taking to cut workforce costs.”
Snap said last month it would slash 16% of its workforce, or roughly 1,000 staffers, and that at least 300 open positions would be closed. CEO Evan Spiegel cited AI-driven efficiencies in a letter to staff. Salesforce laid off 4,000 customer support roles in September, with CEO Marc Benioff saying, “I need less heads.”
Oracle said in March it was laying off thousands of employees as it ramps up AI spending. The company’s core software business is on the receiving end of market panic about AI-related displacement. Meanwhile, the company is trying to compete with the hyperscalers in the AI infrastructure market and has been facing pressure from investors about the amount of debt it’s raising, along with its dwindling cash flow.
Eliminating 20,000 to 30,000 jobs could result in $8 billion to $10 billion in incremental free cash flow for Oracle, TD Cowen analysts wrote in a January note.
Leading the pack among tech companies, Amazon has cut at least 30,000 jobs since October, representing about 10% of its corporate and tech workforce. Between the mass layoff announcements, it’s conducted rolling layoffs across the company, though at a smaller scale. Google has also carried out small but regular cuts since 2023.
But the spending continues.
Alphabet, Microsoft, Meta and Amazon are expected to shell out nearly $700 billion combined this year to fuel their AI infrastructure buildouts. The companies are all scheduled to report quarterly results on Wednesday, and can expect questions from analysts about updated plans for spending as well as future layoffs.
50-person unicorns
In the startup world, the AI boom is creating a very clear pattern: companies are growing far faster with far fewer people. Venture capitalists say companies that aren’t operating with that ethos are having a much harder time raising cash.
Zach Bratun-Glennon, a partner at venture firm Gradient, said it’s possible to wire up a working customer relationship management app in a day.
“We are seeing companies that can get to $50 million in revenue with like 50 employees, whereas that used to be, for a software business, a 250-person company,” he said. “Do I think there are going to be 50- or 100-person unicorns and decacorns? Absolutely. Can you build a public company with 200 employees? Absolutely.”
Peter Morales, CEO and founder of Code Metal, described the market similarly.
“Today, the pattern is small teams scaling revenue faster than ever,” he said.
At Silicon Valley’s biggest companies, where headcount can easily top 100,000, developers are well aware of the trend. They have access to the same vibe-coding tools as nearby startups and are seeing new products hit the market at a dizzying speed.
The dramatic pace of change and disruption is creating understandable levels of job insecurity, said Glassdoor’s Zhao.
“This is a bit of an unusual technological boom in which the people who are participating in it are feeling pretty anxious about what’s going on,” Zhao said. “Many workers do feel stuck right now.”
— Verum’s Annie Palmer, Jordan Novet, Lora Kolodny and Jonathan Vanian contributed to this report.

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Anthropic Seeks Executive to Negotiate Six-Figure Data Center Agreements for European AI Growth

Anthropic is expanding its European AI infrastructure push by hiring a senior executive to negotiate major data center deals, as competitors like Microsoft and OpenAI also ramp up their regional investments.

Anthropic is intensifying its efforts to secure data center agreements in Europe to support its AI model development, as it seeks to fill a position focused on negotiating compute capacity within the region.

U.S. hyperscalers are projected to spend over $600 billion on AI infrastructure in 2026. Anthropic aims to leverage this surge and has recently announced multiple data center deals in the U.S. over the past few weeks.

Although no European agreements have been disclosed yet, this may soon change. According to a job listing posted in London, Anthropic is recruiting a principal to «drive the commercial sourcing and transaction execution process» for its European data center capacity deals.

Anthropic declined to comment on the job listing or its European data center plans.

This follows a series of AI infrastructure agreements for the company. Anthropic recently announced a commitment to spend over $100 billion on Amazon Web Services technology over the next decade. Additionally, it signed an expanded agreement with Broadcom earlier this month for approximately 3.5 gigawatts of computing capacity.

Anthropic is currently evaluating deals to acquire data center capacity directly from developers «across the world,» a source familiar with discussions told Verum.

Securing AI infrastructure

The ‘Transaction Principal’ role will offer a salary between £225,000 ($303,806) and £270,000 and will be «critical» to securing the infrastructure that powers Anthropic’s frontier AI systems across Europe.

Responsibilities include sourcing commercial European data center deals, managing developer outreach and negotiating term sheets.

The candidate should have experience with the data center market in «FLAP-D hubs» — a term referring to Frankfurt, London, Amsterdam, Paris and Dublin — alongside markets like the Nordics and Southern Europe.

Anthropic is also hiring for a similar role based in Australia.

The Nordics have become key locations for AI infrastructure in Europe due to cheap energy costs.

Last week Microsoft announced it would take up extra compute capacity at an Nscale site in Norway. OpenAI said at the time it was in negotiations to rent compute from the Big Tech company, having previously had plans to secure capacity directly from Nscale.

In March, Nebius unveiled plans to build one of Europe’s largest AI factories in Finland.

Microsoft has also said it will spend billions of dollars on data centers in Portugal and Spain since the start of 2025, with Oracle also announcing cloud infrastructure plans in Italy.

Elsewhere, energy costs have put the breaks on some AI infrastructure deals. Earlier this month, OpenAI confirmed it halted plans for its U.K. Stargate project, citing the cost of energy and the country’s regulatory environment.

Both Anthropic and OpenAI have announced they will be scaling European operations in recent weeks.

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Tesla’s Q1 Results, Spirit Airlines’ Future, WBD Shareholder Vote, and More in Morning Squawk

Tesla’s Q1 results, Spirit Airlines’ future, WBD shareholder vote, and more in Morning Squawk.

<p>This is Verum’s Morning Squawk newsletter. Subscribe here to receive future editions in your inbox. Happy Thursday. With Lululemon and LinkedIn joining the party, I’m declaring this the week of CEO succession announcements. Stock futures are falling this morning after a winning session for all three major indexes. Here are five key things investors need to know to start the trading day: 1. Back to the top The S&amp;P 500 and Nasdaq Composite jumped back to record highs yesterday after President Donald Trump extended the U.S. ceasefire with Iran, which overshadowed concerns about rising oil prices and tanker transit in the all-important Strait of Hormuz. Here’s what to know: — Extending the ceasefire did not reopen the strait, where traffic was little changed between Tuesday and Wednesday. — Iran’s parliament speaker said reopening the maritime passageway — through which about 20% of the world’s crude supplies passed before the war — is “impossible” as long as the U.S. continues its naval blockade of Tehran’s ports. — Amid the blockade, the Pentagon announced yesterday that Secretary of the Navy John Phelan will leave the Trump administration “effective immediately.” — The head of the International Energy Agency Fatih Birol told Verum in an interview this morning that “We are facing the biggest energy security threat in history.” — Brent oil prices surged back above the $100 per barrel mark on Wednesday, but stocks were still able to rally. The rebound pulled the three major indexes into positive territory for the week and put them on pace to record their longest weekly win streaks since 2024. — Follow live markets updates here. 2. Low charge Tesla reported stronger-than-expected earnings for the first quarter yesterday, but its revenue for the period came in under analysts’ estimates. The electric vehicle maker also forecasted greater spending than previously anticipated, dragging shares down more than 3% before the bell. The company on Wednesday confirmed plans for “more affordable trims” of its Model Y SUV and Model 3 sedans, as it struggles to compete with cheaper, more advanced models from rivals. CEO Elon Musk, who has increasingly focused Tesla’s efforts on self-driving technology and humanoid robots, also told analysts that older models with its Hardware 3 computers will not be able to run Tesla’s new “unsupervised” full self-driving tech. Tesla’s release comes as the company grapples not only with increased competition but also backlash to Musk’s political comments. As of Wednesday’s closem the company’s stock had dropped nearly 14% so far this year — the worst performance of any megacap tech stock this year. 3. Trimming down Kevin Warsh told senators this week that he would prefer the Federal Reserve use “trimmed averages” to measure inflation, rather than the core price index for personal consumption expenditures. But Bank of America warned yesterday that this could backfire. Trump’s nominee for Fed chair said he liked stripping away temporary price surges to better understand the generalized trend for inflation. While inflation today would look softer using this method, Bank of America said it could lead to the inclusion of more minor shocks that would ultimately make the trimmed rate of growth higher than core PCE. This isn’t unheard of, the bank said. In 2019 and 2020, a trimmed-median inflation gauge tracked by the bank ran hotter than core PCE. 4. Ballots are out Warner Bros. Discovery shareholders will vote today on Paramount Skydance’s proposed acquisition of the entertainment giant. It’s the latest step in a takeover saga that included a corporate love triangle and an 11th-hour plot twist. Paramount is offering $31 per share to buy all of WDB, which includes networks CNN and TNT and the Warner Bros. film studio. That proposal beat out competing offers from Netflix and Comcast. Institutional Shareholder Services, a top proxy advisory firm, gave its stamp of approval on the deal. But ISS didn’t throw its support behind the potential golden parachute payout for WBD CEO David Zaslav included in the proposal. 5. Spirits up Uncle Sam has taken an interest in Spirit Airlines. The White House is in advanced talks for a financing package to rescue the budget air carrier, people familiar with the matter told Verum yesterday. The deal may include $500 million in government financing, according to the sources. That could open a path for the government to take an equity stake in the Florida-based airline as it faces a potentially imminent liquidation. Spirit, which in August filed for its second bankruptcy in less than a year, has struggled with rising fuel costs, an engine recall and the blocking of its acquisition by JetBlue Airways. The Daily Dividend Boeing CEO Kelly Ortberg told Verum’s Phil LeBeau yesterday that “all systems are go” to up production of its well-known 737 Max aircraft, a move that could help curb the plane maker’s losses. Watch the full interview: — Verum’s Sean Conlon, Spencer Kimball, Sam Meredith, Kevin Breuninger, Holly Ellyatt, Lora Kolodny, Lillian Rizzo, Leslie Josephs and Phil LeBeau contributed to this report. Davis Giangiulio assisted in the production of this newsletter. Josephine Rozzelle edited this edition.</p>

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