Herd immunity occurs when enough people in a group are immune to a specific infection that it cannot spread easily from person to person. Vaccination programs have been successful in creating herd ...

Largest review and meta-analysis assessing the extent of protection following COVID-19 infection by variant and how durable that protection is against different variants, including 65 studies from 19 ...

The Lancet has reported that a prior COVID-19 infection is just as effective as two doses of a mRNA vaccine at preventing reinfection and serious illness. Pictured: Protester in Los Angeles rallying ...

Natural immunity due to COVID-19 infection provides strong protection against reinfection and serious illness for several months after initial infection, but immunity wanes over time, a new study has ...

According to a recent meta-analysis published in The Lancet, natural immunity provides greater protection against COVID-19 than vaccinations. Data analysis from 56 research in 19 countries revealed ...

A new coronavirus study from Estonia involving a pool of 329,496 adults just found that — in the words of one of the researchers — “natural immunity offers stronger and longer-lasting protection ...

COVID-19 antibodies can stay in the body for several months up to over a year. A combination of natural and vaccine-based immunity likely provides more protection. Antibodies are proteins that ...

Indian superfoods for immunity are rich in nutrients and easy to add to daily meals, supporting the body’s natural defences ...