Question

How effective is the first Corona shot?

Answer 1

[AI-generated answer — Bot]

The first shot of the two-dose COVID-19 vaccine is highly effective in preventing severe illness and death from the virus. According to the Centers for Disease Control and Prevention (CDC), the first shot of the Pfizer-BioNTech or Moderna vaccines is about 95% effective in preventing COVID-19 illness. The second shot boosts the effectiveness to about 97%.