Older people may generate more natural immunity from COVID-19 infection than younger adults, a new study suggests. The team also found that people who receive the Pfizer-BioNTech or AstraZeneca Covid vaccines are more protected from the virus than those relying on natural immunity alone. The immunity from previous infection is still effective against different strains of the virus, though, including the highly contagious Delta variant. Researchers found that people over the age of 50 were generating more natural immunity to COVID-19 after contracting the virus. While natural immunity can protect a person from repeat Covid infection, researchers found the vaccine was more effective.

Source: Daily Mail November 11, 2021 16:08 UTC