Study: Single COVID Vaccine Dose Insufficient for Individuals Who Had Mild Cases of Virus – NBC Chicago
Researchers at Northwestern University’s Institute for Policy Research say a new study has indicated that one dose of two-dose COVID-19 vaccines does not provide sufficient protection against the virus in individuals who had previously had mild or asymptomatic cases of the disease, meaning that those individuals are still advised to get both doses of the vaccine.
According to a press release from the researchers, the study had examined whether individuals who had previous mild or asymptomatic cases of the coronavirus could achieve a high-level of immunity with only one dose of the Pfizer or Moderna vaccine, rather than the recommended two doses.
The study did not investigate the differences between mild COVID cases and the Johnson & Johnson vaccine in terms of t...