Johnson & Johnson single-dose COVID vaccine is 66%reliable, company says

Sarah Tew/CNET.

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Johnson & Johnson on Friday said its single-dose vaccine was 66?ficient overall in avoiding COVID-19 in its worldwide scientific trial, and 85%reliable in avoiding serious illness. The trial included almost 44,000 individuals throughout the United States, Latin America and South Africa, and the level of protection varied by area.

” The level of protection versus moderate to serious COVID-19 infection was 72%in the United States, 66%in Latin America and 57%in South Africa, 28 days post-vaccination,” the business stated, adding that the “onset of protection was observed as early as day 14.”

Johnson & Johnson said it prepares to file for emergency situation use authorization in the United States in early February.

Unlike the Pfizer and Moderna vaccines, the Johnson & Johnson vaccine just requires a single shot

” Altering the trajectory of the pandemic will need mass vaccination to develop herd immunity, and a single-dose program with quick beginning of security and ease of shipment and storage supplies a prospective solution to reaching as lots of people as possible,” said Dr. Mathai Mammen, head of Janssen Research & Development, in a release on Friday.

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