Study: J&J COVID-19 Vaccine 72% Effective in U.S.

The video discusses the Johnson & Johnson COVID-19 vaccine, highlighting its 66% efficacy in preventing moderate to severe disease 28 days post-vaccination. It emphasizes the maturation of immune response over time, with no hospitalizations or deaths among vaccinated individuals. The vaccine's efficacy varies by region, being 72% in the US, 66% in Latin America, and 57% in South Africa. Despite lower efficacy compared to other vaccines, it remains a crucial tool in combating the pandemic. J&J plans to seek FDA emergency approval, with the US having an agreement to purchase 100 million doses.

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