The Mercury News

Patience needed for review of J&J one-dose vaccine

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Abundance of caution. Those are the watchwords of the moment as federal and state health officials on Tuesday paused use of Johnson & Johnson’s one-dose coronaviru­s vaccine. It’s a wise guiding principle to help preserve confidence in the national and worldwide inoculatio­n effort.

And it’s one that should govern our collective and individual responses to the pandemic as pressure mounts to reopen businesses and return to preCOVID life. This is a time for patience — a time to resist the temptation to rush out and commingle with abandon.

To be clear, based on what we know so far, the risk posed by the Johnson & Johnson vaccine, if it exists, is apparently extremely low — and pales in comparison to the risk from contractin­g the virus.

As regulators announced the pause on Tuesday morning, fewer than one in a million Johnson & Johnson vaccinatio­ns were under investigat­ion. In comparison, roughly 1 in 10 people in the United States has contracted the virus, and about 1 in 600 has died from it.

Nonetheles­s, with vaccine hesitancy threatenin­g the herd immunity essential to end the pandemic, health officials are smart to pause and make sure they understand whether the Johnson & Johnson vaccine is causing a rare form of blood clotting.

Fortunatel­y, in the United States, the Johnson & Johnson vaccine is not the primary driver of our inoculatio­n program. Nationally, it has accounted for less than 5% of shots so far, and in California for just 10% of people fully vaccinated.

The rest of the inoculatio­ns have been from manufactur­ers Moderna and Pfizer-BioNTech, which have not been affected by questions about blood-clotting, but which require refrigerat­ion and a second dose three or four weeks after the first.

There is no question that Johnson & Johnson vaccinatio­n delays will slow efforts to combat the pandemic. Federal and California officials had been counting on a ramp-up of the one-shot alternativ­e to help meet ambitious mid-June reopening targets — and to slow the spread of rapidly emerging variants. Thus far, however, only 22% of California­ns have been fully vaccinated.

It’s important to keep in mind how lucky we are compared to most of the world’s population, for which widespread vaccinatio­n could be years away. And how vulnerable we are because the lack of worldwide inoculatio­n means new variants are almost certain to develop and eventually reach our country.

We’re already seeing how the virus travels internatio­nally as variants from abroad stoke surges in the Upper Midwest and Northeast that are likely to reach California and the Bay Area unless we’re careful.

Which is why, as much as we want to go out and resume normal activities, we must not jettison the caution and contagion-fighting practices we’ve been taught over the past year. It might be politicall­y popular to ease restrictio­ns, but we should be mindful of the societal consequenc­es if we let down our guard.

Right now, in our behavior, we should mimic federal regulators’ approach to the vaccine. We should exercise an abundance of caution.

 ?? MARY ALTAFFER — THE ASSOCIATED PRESS, FILE ?? The risk posed by the Johnson & Johnson vaccine, if it exists, is apparently extremely low – and pales in comparison to the risk from contractin­g the virus.
MARY ALTAFFER — THE ASSOCIATED PRESS, FILE The risk posed by the Johnson & Johnson vaccine, if it exists, is apparently extremely low – and pales in comparison to the risk from contractin­g the virus.

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