The company said a
Thursday's announcement comes after state officials warned that many doses in storage would expire before the end of the month. The change gives health providers more time to try and use remaining J&J shots sitting at pharmacies, hospitals and clinics. Many states have adopted a “first-in-first-out” approach to try and use their oldest vaccines first.
Vaccine expiration dates are based on information from drugmakers on how long the shots stay at the right strength. J&J said the FDA added six weeks based on data from ongoing studies assessing the vaccine’s stability.
The FDA has been reviewing expiration dates on all three
The J&J extension will help maintain vaccine supplies even as the number of Americans getting shots has slipped. The country averaged about 800,000 new injections per day last week. That's down from a high of nearly 2 million daily shots two months ago. Government officials and companies have turned to incentives to encourages shots, including paid time off and
As vaccinations have slowed it's become clear the
J&J’s vaccine was highly anticipated because of its one-and-done formulation and easy-to-ship refrigeration. The shot was expected to play a key role in vaccination campaigns in rural areas and low-income countries with limited health care infrastructure.
But rival drugmakers
Use of J&J’s vaccine has been hurt by links to a rare blood clot disorder. That issue led
J&J's rollout has also been slowed by contamination problems at a
AP Health Writer
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