Modern and Pfizer vaccines are 90% effective in stopping the infection in the real world
Strong findings: This new study provides even more promising data on the positive effect that vaccines have begun to have on the pandemic. Last month, the health authority of England reported A single shot of the Oxford / AstraZeneca or Pfizer / BioNTech vaccine reduced the chance of hospital treatment by more than 80%. Israel has recently included more than half of the population reported The Pfizer / BioNTech vaccine was 94% effective against infections and 92% against serious diseases.
Worrying catch: Cases are re-escalating in several U.S. states, despite the accelerating vaccination program (72% of Americans age 65 and older have now been vaccinated). The increase is likely to be due to the impact of the contagious variant in the UK. Increasingly widespread variants It makes the need to vaccinate as many people as possible even more serious — not only in the United States but also in other countries. around the world because supplies have already been purchased. Many countries have yet to include anyone. The more the virus spreads, the more likely it is that variants will appear and variants that can escape existing vaccines.