Serious and Rare

Will the Johnson & Johnson pause do more harm or good?,


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The apparent problem with Johnson & Johnson’s Covid-19 vaccine is both serious and rare, which makes it a thorny issue for policymakers to address and for the rest of us to think through.

Six U.S. women between 18 and 48 developed blood clots within two weeks of receiving vaccine shots. One of the six died, and another is in critical condition. Some Europeans have developed similar complications after receiving the AstraZeneca vaccine, raising the possibility that the problem is broader than Johnson & Johnson’s version. (It does not appear to affect the Moderna or Pfizer vaccines, which use a different technology.)

Federal regulators responded very aggressively, calling for a national pause in the use of the Johnson & Johnson vaccine. That approach has the advantage of focusing the country on the problem, so that doctors and patients can be on the lookout for the symptoms of the clots, which are highly unusual and require different treatment from most clots. A pause also prevents more people from suffering any side effects.

Some experts praised the move. “Any time there is a possible serious side effect,” Dr. Tom Frieden, a former head of the Centers for Disease Control and Prevention, wrote, “it’s time to stop, listen, learn and plan.” Natalie Dean, a biostatistician at the University of Florida, argued that federal officials had to respond aggressively, to protect the long-term credibility of vaccines. Dr. Megan Ranney of Brown University wrote, “I’m glad that we do good science and post-vaccine monitoring.”

But other experts believe the national pause may do more harm than good. Even if the vaccine did cause the clots, it did so in a tiny fraction of cases. Almost seven million Americans have received the Johnson & Johnson vaccine, including more than one million women between 18 and 48.

One way to think about those numbers: While the chances of a fatal blood clot from the vaccine may be something like one in a million, roughly 125 out of every one million Americans between 18 and 48 have died of Covid since early last year.

For that reason, health experts emphasized that the benefits of the Covid vaccines far outweigh the risks for most people, as this Times Q. and A. explains. Dr. Angela Rasmussen, a Georgetown University virologist, wrote that she had received the vaccine last week and that “I’m not losing sleep over this.” Dr. Scott Gottlieb, a former head of the Food and Drug Administration, said on CNBC, “For most consumers, I wouldn’t be concerned about this.”

Realistically, though, many Americans will be concerned, and the damage to Johnson & Johnson’s credibility may be lasting. Vaccine skepticism was already a problem, and many unvaccinated people may now be deeply hesitant to receive the Johnson & Johnson shot — and perhaps any vaccine. “There’s nothing we can do to restore confidence,” one Republican state official told CBS News.

The Biden administration and state governments will almost certainly try to restore confidence if they conclude that the side effects are in fact rare and manageable, because Johnson & Johnson is a key part of the country’s vaccination plan.

So far, its shots have accounted for only about 9 percent of fully vaccinated Americans, according to the C.D.C. But that was about to change. Over the next few months, Johnson & Johnson was scheduled to account for more than one-third of vaccinations. Without it, the country would still have enough shots to inoculate all adults by midsummer, although more slowly.

Regulators did have options other than a full pause, some experts argued. “People should be given the info & allowed to choose,” Govind Persad of the University of Denver wrote on Twitter. “Deaths from Covid b/c you weren’t vaccinated are permanent.”

“There’s no actual evidence the F.D.A. knows how to manage public psychology correctly on this,” my colleague Ezra Klein wrote.

For more:

ImageAmerican soldiers at an outpost near Kamu, Afghanistan, in October 2008.
American soldiers at an outpost near Kamu, Afghanistan, in October 2008.Credit…Tyler Hicks/The New York Times

President Biden at a memorial service for Officer William Evans in the Capitol Rotunda on Tuesday.Credit…Amr Alfiky/The New York Times

A 13-year-old girl and her mother are at the center of Venezuela’s abortion fight.Credit…Meridith Kohut for The New York Times
  • Overhauling the food system to fight global warming will require systemic change, but individual choices still matter, The Atlantic’s Annie Lowrey writes. Start by wasting less food and eating less meat.

  • “A battle between you and you”: The Times’s Shawn McCreesh on opioid addiction in his Pennsylvania hometown.

Hare Loss: Darius, the world’s longest rabbit, has gone missing in England. (If you haven’t seen the photo, it’s worth a glance.)

Lives Lived: The ballerina Mary Ellen Moylan was an early George Balanchine protegee and earned raves from critics. Yet she left the world of dance when she bought a hamburger stand with her first husband. She died at 95.


Ai Weiwei with his cat Yellow.Credit…Catarina Osorio De Castro

The superstar Elton John and the rising singer Rina Sawayama. The playwright Jeremy O. Harris and his drama school classmates. The artist Ai Weiwei and his cats.

T Magazine’s annual Culture issue is dedicated to friendship in all its forms, “how sustaining it is and how elastic it can be,” as Hanya Yanagihara, the editor in chief, writes. “There are no rules about what a friendship can be: It needs only effort, and mutual commitment.”

There is art and photography and essays on life-defining relationships; the kinds that drift apart and the ones that always pick up right where they left off. See the issue here.


Credit…Romulo Yanes for The New York Times.

Chewy soba noodles, chicken and crisp sugar snap peas are delicious at room temperature or cold.

For the 15th anniversary of The Times’s Book Review podcast, Pamela Paul, the host, put together a list of her 15 favorite episodes.

Frank Gehry recently turned 92. But he has no plans to retire. “What would I do?” he told The Times. “I enjoy this stuff.”

The hosts poked fun at the Johnson & Johnson pause.


The pangram from yesterday’s Spelling Bee was chewable. Here is today’s puzzle — or you can play online.

Here’s today’s Mini Crossword, and a clue: Computer screen dot (five letters).

If you’re in the mood to play more, find all our games here.

Thanks for spending part of your morning with The Times. See you tomorrow. — David

P.S. The word “hotelification” — about the rise of cafes, rooftop gardens and other office amenities — appeared for the first time in The Times yesterday.

You can see today’s print front page here.

Today’s episode of “The Daily” is about the Supreme Court. On “The Argument,” Ross Douthat and Michelle Goldberg debate the future of abortion rights.

Claire Moses, Ian Prasad Philbrick, Tom Wright-Piersanti and Sanam Yar contributed to The Morning. You can reach the team at

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