Technologies
Omicron FAQ: 8 key things to know about the new COVID variant today
The CDC director expects cases in the US to rise, as the COVID omicron variant has now been confirmed in 16 states. Stay on top of the latest guidance here.
The omicron variant of COVID-19 has now been confirmed in at least 16 US states and is “likely to rise,” Dr. Rochelle Walensky,director of the Centers for Disease Control and Prevention, said on Sunday on This Week. Although the delta variant of COVID makes up 99.9% of US cases, Walensky said, omicron is spreading quickly. A leading European health agency predicts omicron could become the dominant COVID strain in months (more below.)
There have been more than 5.2 million reported deaths worldwide due to COVID-19.
In the US, President Joe Biden is doubling down on urging vaccines and booster shots until more information becomes available. Experts caution it could be two or three weeks before we know exactly how contagious omicron is and if it can cause more severe illness than other mutations of the virus.
So far, the COVID-19 vaccines have proved to be highly effective in preventing hospitalization and death, with people who are unvaccinated being more than 10 times more likely to be hospitalized if infected. Vaccine-makers are optimistic the current vaccines authorized for use in the US will provide a degree of protection against omicron, too.
Here are eight important things to know about omicron today. For more on COVID boosters, here’s a trick to easily get an appointment and free ride. Here’s how you’ll soon get a COVID test kit for free and details on mixing and matching vaccines.
Omicron could become the dominant COVID variant in Europe in months
Omicron could become the most common COVID variant in months, according to the European Centre for Disease Prevention and Control.
“Mathematical modelling [sic] indicates that the Omicron VOC is expected to cause over half of all SARS-CoV-2 infections in the EU/EEA within the next few months” due to early understandings of the omicron variant’s high transmissibility between people, the center said in a Dec. 2 brief.
Scientists studying the omicron variant in South Africa, where it was first reported to the World Health Organization, have said it’s spreading more than twice as fast as the delta variant. But what isn’t yet known is the spread is hastened because the mutations make it easier to spread among people, if vaccines are less effective against this strain or for some other reason. The study cited by the New York Times has not yet been published or peer-reviewed.
Omicron is already confirmed in 16 US states
First, it was Minnesota, then California and now Hawaii, New York and points in between. The US and other countries were already bracing for an increased caseload as colder weather and holiday revelry drove more people indoors together. Now, concerns over a winter surge of the dominant delta variant join concerns about omicron’s spread.
Omicron has similarities to the delta variant’s mutation
COVID latches onto cells using a spike protein in its structure. Omicron has more mutations than the delta variant, which is considered at least twice as contagious as previous strains. While it isn’t clear yet if omicron is more or less contagious than delta, the presence of those mutations is one cause of concern.
That may be one reason countries around the world have banned travel from some countries in southern Africa and increased travel restrictions that include a negative COVID test 24 hours before travel, regardless of vaccination status.
It isn’t clear how current vaccines will respond to omicron
Scientists are testing whether omicron could cause breakthrough infections in people who are fully vaccinated and reinfections for those who have antibodies from a prior COVID-19 infection. It may take two to three weeks before enough test data reveals how effective the Johnson & Johnson, Moderna and Pfizer vaccines are in protecting against the omicron mutation. Scientists are hopeful, however, that the current vaccines will continue to protect against the new variant.
“We think it’s likely that people will have substantial protection against severe disease caused by omicron,” said Ugur Sahin, co-founder of BioNTech, said uring an interview with Reuters on Tuesday. BioNTech worked with Pfizer to create one of the vaccines authorized in the US.
Still, the fact that omicron has rapidly mutated and spread has rung at least one alarm bell.
“The emergence of the highly mutated omicron variant underlines just how perilous and precarious our situation is,” Dr. Tedros Adhanom Ghebreyesus, leader of the World Health Organization, said on Nov. 29.
Most PCR tests to identify the presence of COVID-19 in the body are free (COVID tests for international travel are the main exception). So it’s good news that the existing nasal swab test has been found to detect the omicron variant — a blood test or other procedure so far is unnecessary.
“Fortunately for us, the PCRs that we mostly use would pick up this very unusual variant that has a real large constellation of mutations,” Dr. Anthony Fauci, the president’s chief medical advisor, said in a Nov. 29 press briefing.
COVID PCR tests can identify the omicron variant
Most PCR tests to identify the presence of COVID-19 in the body are free (COVID tests for international travel are the main exception). So it’s good news that the existing nasal swab test has been found to detect the omicron variant — a blood test or other procedure so far is unnecessary.
“Fortunately for us, the PCRs that we mostly use would pick up this very unusual variant that has a real large constellation of mutations,” Dr. Anthony Fauci, the president’s chief medical advisor, said Nov. 29 in a press briefing.
Moderna, Pfizer and Johnson & Johnson are evaluating Plan B
Moderna: Moderna’s Chief Medical Officer Paul Burton told the BBC his company has hundreds of people examining the effectiveness of its current vaccine and booster with the variant. Moderna is also testing a COVID-19 vaccine that could protect against several mutated strains of the coronavirus looking at an omicron-specific booster vaccine. Burton said if Moderna needs to make a new vaccine modified for the variant, it could be available early in 2022.
Pfizer: A Pfizer spokesperson said the company is “constantly conducting surveillance efforts focused on monitoring for emerging variants that potentially escape protection from our vaccine.”
The spokesperson said Pfizer could develop and produce a tailor-made vaccine against that variant in approximately 100 days.
Johnson & Johnson: Johnson & Johnson said it’s working with scientists in South Africa and around the world to evaluate the effectiveness of its COVID-19 vaccine against the omicron variant and has begun work on a new vaccine designed for omicron, if needed.
Booster shots and vaccines are urged to help prevent omicron’s spread
On Thursday, Biden announced a plan to help protect the US against the omicron variant this winter. It includes, among other things:
- Outreach programs to contact people eligible to receive booster shots.
- Making at-home COVID tests “free” for everyone.
- Tighter travel restrictions that require a negative COVID test 24 hours before departure.
- Paid time off for federal workers to get booster shots.
- Securing antiviral pills as a treatment for people who become infected with COVID-19 (these are recommended but not yet FDA approved).
- Sending 200 million more doses of COVID vaccine to international countries in the next 100 days (280 million have already been sent).
Omicron is pronounced these ways
The World Health Organization assigns Greek letters to key COVID variants to help the public easily remember and pronounce the different mutations of the virus. When first announced, search interest in the Greek letters “omicron” and “omega” climbed as people looked for information on the new variant. So far we’ve heard the new omicron variant pronounced by global health leaders as OH-me-cron, OH-mih-cron and OH-my-cron (some of this boils down to ancient Greek).
For additional COVID guidance, here’s what to know about new travel restrictions, how to store your vaccine card on your phone and what to do if you lose your vaccine card.
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
Trump says he has no regrets about starting the Iran war as U.S. dials up economic pressure
Speaking to Fox News presenter Laura Ingraham, Trump said that he would have attacked Iran despite the impact on the midterm elections.
U.S. President Donald Trump said he has no regrets about starting the Iran war and added that “If I had it to do again, I would do exactly what I did.”
Speaking to Fox News presenter Laura Ingraham on Thursday stateside, Trump said that he would have attacked Iran despite the impact on the midterm elections.
“If we hadn’t done Iran, you would be cruising to midterms victory right now,” Ingraham told Trump, to which Trump replied “supposing we were cruising, and all of a sudden Iran has a nuclear weapon. They would use it.”
He added that if Iran had a nuclear weapon, the Islamic Republic would “wipe out” Israel and the Middle East, and start hitting U.S. cities.
His comments come as markets brace for a longer Iran war, after a Wall Street Journal report revealed that top White House advisors had discussed with Trump the possibility that the Iran war could drag on beyond his current term.
Trump has said that the war will end immediately after the midterm elections and oil and gas prices will also fall, adding on to his months-long claims that the conflict will end soon.
In separate comments to NewsNation on Thursday, Trump denied reports that there was any damage to U.S. assets, after Iran claimed it had hit multiple U.S. fighter aircraft at a base in Jordan.
“No damage. No nothing,” Trump said, when asked if there was any truth to the reports.
Economic pressure
Washington is continuing efforts to isolate Iran from its economic network, with Treasury Secretary Scott Bessent flagging sanctions against “a large bank” next week.
“We’re going to do it on Monday because we want to honor the memory of our fallen citizens on 9/11. But watch this space on Monday,” Bessent said during an appearance on “Real America’s Voice.”
Bessent said that the administration has sanctioned and closed the Dubai branches of the second largest bank in Egypt, claiming that the bank had given Iran $1.8 billion dollars. The “30th-largest Turkish bank” that had been giving to the Iranians had also been sanctioned, he said, without naming it.
The U.S. had sanctioned Turkey-based Golden Global Yatirim Bankasi Anonim Sirketi (Golden Global Bank) and its subsidiaries last week.
Trump, in the NewsNation interview, was also asked how Iran could continue holding out under the current economic pressure.
“I don’t know that they’re gonna be able to hold out,” Trump said. “But it’ll get settled after the elections. Or maybe sooner. But it’ll get settled right after the election.”
Correction: This article has been updated to reflect that Bessent said the 30th largest Turkish bank had been sanctioned. An earlier version misstated the bank’s ranking.
Technologies
U.S. diesel price tops $6 per gallon, a record high as Ukraine and Iran wars ripple through economy
U.S. diesel prices hit their highest level ever as fuel supply disruption stemming from the Ukraine and Iran wars lifts transportation costs.
U.S. diesel prices hit $6 per gallon on Friday for the first time ever, as fuel supply disruptions triggered by the Ukraine and Iran wars raises transportation costs across the entire economy.
Truckers and farmers are paying about 63% more to fill up their semis and tractors than they did at this time last year, according to data from AAA. The average price nationwide is now about $6.06 per gallon.
Prices are even higher in California, the biggest agriculture state in the U.S., at $7.98 per gallon.
Fuel costs are rising as crude oil prices have surged in response to a sharp escalation in fighting between the U.S. and Iran this month. U.S. crude oil futures topped $100 per barrel on Thursday for the first time since May. The contract has gained about 20% in September.
Diesel is the real lifeblood of the economy even though consumers tend to pay more attention to retail gasoline prices, said Bob McNally, president of Rapidan Energy, in an interview with CNBC’s “The Exchange” on Tuesday.
Higher diesel prices are passed down to consumers in what they pay for food, consumer goods and energy. Diesel fuels the trucks, trains and ships that bring goods to market. It powers the machinery that farmers use to plant and harvest food. And it heats homes and generates electricity in some cases.
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“It’s the more insidious, more costly, and more impactful fuel,” McNally said. “As we climb higher, it is a real concern.”
Diesel prices at these levels will be a “silent killer” for the economy, said Patrick De Haan, head of petroleum analysis at GasBuddy, in an interview with CNBC’s “Power Lunch” Tuesday.
Gasoline prices, meanwhile, have never been this high this late in the year, De Haan said. Prices at the pump hit a Labor Day record of $4.15 per gallon earlier this week. Americans are spending about $700 million more per day on gas and diesel than they did a year ago, the analyst said.
“There’s sticker shock there for consumers,” De Haan said.
Fuel costs are rising as the Iran and Ukraine wars have disrupted global supplies. Kyiv has pounded Russian refineries, forcing Moscow to ban diesel exports. Iran and its militant Houthi allies in Yemen have also hit the refineries of U.S. Gulf allies. Fuel exports through the Strait of Hormuz are constrained due to the Iranian attacks on tankers.
The wars in Eastern Europe and the Middle East have shut down refineries with about 5 million barrels per day of capacity, said Valero Chief Operating Officer Gary Simmons on the U.S. refiner’s July 30 earnings call.
The world has lost nearly 8% of its diesel supply with little spare refining capacity available to make up the shortfall, said Andy Lipow, president of Lipow Oil Associates, in a Wednesday note.
Rising diesel prices pose an “enormous challenge” for the Trump administration, said Helima Croft, head of global commodity strategy at RBC Capital Markets, in a Sept. 4 interview with CNBC’s “Power Lunch.”
“U.S. refineries are running at 98% utilization rates — there is just no spare capacity,” Croft said.
Technologies
Buffett’s confidence in troubled decade-old acquisition finally pays off
Warren Buffett has said he paid too much for Precision Castparts in 2016. Now its complex metal castings are in high demand.
(This is the Warren Buffett Watch newsletter, news and analysis on all things Warren Buffett and Berkshire Hathaway. You can sign up here to receive it every Friday evening in your inbox.)
Buffett’s confidence in troubled decade-old acquisition finally pays off
Six years ago, when Berkshire Hathaway took an $11 billion write-down of its $37.2 billion 2016 acquisition of Precision Castparts, Warren Buffett wrote in his annual letter to shareholders he had paid “too much” for the company, which makes “complex metal components and products.”
While it was a “fine company – the best in its business,” he had been “simply too optimistic” about its profit potential, a “miscalculation … laid bare” by the enormous downturn for the aerospace industry, Precision Castparts’ largest customers, amid the Covid pandemic.
In a CNBC interview when the deal was first announced, Buffett admitted it was “a very high multiple for us to pay,” but told shareholders at the 2016 meeting he had great confidence in Mark Donegan, the company’s CEO, both then and now, and the company’s long-term profit outlook.
It’s taken longer than he planned, but Buffett’s purchase is now looking pretty good.
As Reuters puts it, there is currently a shortage of the “complex” products Precision Castparts makes that are essential for engine turbine blades.
They’re also used in natural gas turbines, which are in demand to produce energy for artificial intelligence data centers.
This week, GE Aerospace announced it would pay $11.75 billion to acquire Consolidated Precision Products, one of the few companies that competes against Precision Castparts.
Barron’s calls that “pricey” at 26 times projected 2027 earnings before interest, taxes, depreciation, and amortization.
Using the same multiple, Barron’s estimates Precision Castparts is worth around $100 billion. That’s well above the potential value of $60 billion to $75 billion it cited in an article last month that said the unit “probably has become one of the more valuable divisions” of Berkshire.
It’s also nearly three times the 2016 purchase price.
In the Barron’s piece, Andrew Bary said Berkshire, and its share price, aren’t “getting much credit” for the subsidiary’s rising value, in part because CEO Greg Abel, like Buffett, doesn’t do analyst conference calls or investor events that could draw attention to the unit’s performance.
His recommendation: “Without Warren Buffett at the helm, Berkshire may have to start telling its story if it wants to attract a new generation of investors. This year’s trading action suggests that something may need to change.”
Berkshire bounces a bit as Wall Street sells off
Berkshire Hathaway shares managed a modest gain this week even as Wall Street’s major averages declined, a small departure from the 2026 “trading action” Bary cites.
Both the Class A and Class B shares gained almost 0.9% while the S&P 500 fell by 0.8%.
Until Friday’s bounce, that benchmark index, along with the Dow Industrials and the Nasdaq Composite, had dropped four days in a row as oil and bond yields moved higher.
Even with this week’s outperformance, Berkshire’s B shares still trail the S&P 500 by more than 10 percentage points so far this year.
Nebraska candidate moves to replace ad that included Buffett’s image
The campaign team for the Republican running in Nebraska’s 2nd Congressional District accelerated the deployment of a new campaign ad after Susie Buffett complained about a previous commercial that briefly included an image of her father, Warren Buffett.
In the ad, a picture of Buffett and his name appear on screen for roughly two seconds as candidate Brinker Harding says, “Here in Omaha, we know a thing or two about the stock market, some more than others. But we do it without insider information.”
He then goes on to highlight his call for a ban on Congressional stock trading, saying some lawmakers “trade on secrets you’ll never know,” as they “get rich” while “we barely get by.”
In a report that led its 10 PM CT newscast Wednesday evening, ABC affiliate KETV in Omaha reported Susie Buffett had asked Harding on Sept. 2 to remove the ad.
She told the station, “I think it’s worth it to say that Warren did not give Brinker his permission to use his face or name in his ad.
“It implies that my dad endorses him. He did not have permission to use it.”
The KETV report quoted Harding as saying in a statement, “In Nebraska, we work hard and support each other, and we do it honestly. Warren Buffett exemplifies that, and that was the point of my ad.”
The report said Harding did not comment on whether the ad would be taken down but noted “it does look like new ads from his campaign are beginning to run on some stations.”
A Harding campaign spokesperson told me the campaign did not think its ad implied a Buffett endorsement, but to be respectful to the Buffett family, it responded to her concern by accelerating the rollout of its next planned ad by several days, although its effort was hampered by the Labor Day weekend.
The commercial now running does not show or mention Buffett.
BUFFETT & BERKSHIRE AROUND THE INTERNET
Some links may require a subscription:
– Best’s News and Research Service: 2026 Best’s Rankings: Berkshire Hathaway Takes DPW Top Spot Among Accident & Health Lines
– Financial Times: The day Warren Buffett saved Salomon Brothers
HIGHLIGHTS FROM CNBC’S BUFFETT ARCHIVE
The effects of 9/11 on Berkshire and the insurance industry (2002)
Warren Buffett shares his thoughts on the 9/11 attacks and explains how Berkshire’s insurance companies have started taking terrorism into account when writing policies.
AUDIENCE MEMBER: I know you lost a lot of money as a result of 9/11. But I would like to know how 9/11 changed your life and your investment strategy?
WARREN BUFFETT: It made everybody, I think, in the country aware, I mean, we’ve gone through world wars and all of that, and essentially felt quite protected within these borders.
And I have been quite worried about — Charlie can attest to — you know, the possibility, particularly of some kind of nuclear device in this country, by — probably more likely by terrorists than by some, at least, declared act of war by another state.
And 9/11 made everybody realize that as humans have not progressed, particularly, in terms of how they behave with each other over the years, they have progressed enormously in their ability to inflict damage on those they hate for one reason or another…
In terms of the business aspects of it, in your question, obviously the area at Berkshire that it effects most significantly, by miles, is insurance.
And prior to 9/11, even though we recognized that there could be huge monetary damages that flowed from the activities of what I would call deranged people, we hadn’t really written the contracts in such a way as to either get paid for taking that risk or to exclude the risk. In other words, we were throwing it in for nothing.
We had excluded risk for war. I mean, we knew that we’d seen what had happened in England in the 40s, and so we had taken account of something that some of us had seen with our own eyes, but we didn’t take account of something that we knew was possible, but we just hadn’t seen. And that’s, you know, that’s the human condition, to some degree.
Since September 11th, everybody in the insurance business recognizes that they had exposures that they weren’t charging for, and they either had to exclude those exposures or they had to charge for them.
We have written — first thing we had to do, of course, is we had lots of policies on the books that left us exposed to this, and most of those policies ran for a year, starting at different points. Those have run off to a great degree, but they’re not entirely run off.
The other thing we did was on new policies. We have sold a fair amount, quite a large amount, of terrorism insurance that excludes what we call NCB, nuclear, chemical, and biological, as well as fire following nuclear.
And, we can take a fair amount of exposure to that sort of terrorism, because it doesn’t — it won’t aggregate. It aggregated at the Twin Towers in a way that — World Trade Center — in a way that just about was as extreme as you could get for non-NCB-type activities.
I mean, that was a huge amount of damage done without nuclear, chemical, or biological.
But we can have tens of billions of dollars with NCB excluded throughout a greater New York area, or something, but we can’t have hundreds of billions of exposure that would be exposed, say, to, nuclear activities, because there an act or two, or three, coordinated, could cause damage that would destroy the insurance industry.
And if we had coverage on that, it would destroy us as well.
BERKSHIRE STOCK WATCH
Four weeks
Twelve months
BRK.A stock price: $766,000.00
BRK.B stock price: $510.37
BRK.B P/E (TTM): 12.83
Berkshire Cash as of June 30: $365.5 billion (Down 8.0% from March 31)
Excluding Rail Cash and Subtracting T-Bills Payable: $359.2 billion (Down 3.8% from March 31)
Berkshire repurchased $4.5 billion of its shares in Q2 2026.
BERKSHIRE’S TOP EQUITY HOLDINGS – Sep. 11, 2026
Berkshire’s top holdings of disclosed publicly traded stocks in the U.S. and Japan, by market value, based on the latest closing prices.
Holdings are as of June 30, 2026, as reported in Berkshire Hathaway’s 13F filing on August 14, 2026, except for:
– Mitsubishi, which is as of April 30, 2026
The full list of holdings and current market values is available from CNBC.com’s Berkshire Hathaway Portfolio Tracker.
QUESTIONS OR COMMENTS
Please send any questions or comments about the newsletter to me at alex.crippen@cnbc.com. (Sorry, but we don’t forward questions or comments to Buffett himself.)
If you aren’t already subscribed to this newsletter, you can sign up here.
Also, Buffett’s annual letters to shareholders are highly recommended reading. There are collected here on Berkshire’s website.
— Alex Crippen, Editor, Warren Buffett Watch
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