Why do some vaccines (polio, measles) prevent diseases, while others (COVID-19, flu) only reduce their severity?

Health News

Why do some vaccines (polio, measles) prevent diseases, while others (COVID-19, flu) only reduce their severity?

Stable versus mutating viruses

‘Wild to mild’ campaign manages expectations

Improving the odds with universal shots

Source: Read Full Article

Related posts:
  1. First 10 days after leaving hospital carry high risk for COVID-19 patients, study finds
  2. A brain signature that predicts vulnerability to addiction
  3. New algorithm sets parameters for waves of COVID-19