DEAR DR. ROACH: I am an advocate of flu shots (and other immunizations) to protect both myself and others around me, and I have just had mine for this season. I have a friend, though, who refuses to ...

Research reveals a sharp decline in both the effectiveness and duration of protection from prior infection post-Omicron, underscoring the need for updated vaccines to sustain immunity Study: ...

People can develop temporary natural immunity after recovering from COVID-19. However, vaccines are the best way to train the immune system to recognize viruses. When a vaccinated person encounters ...

There were claims during the pandemic that natural immunity was not as strong as vaccinated COVID immunity. Those claims have been proven to be completely wrong by scientific studies. Natural immunity ...

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 ...

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 ...

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 ...

A US molecular biologist said that there was no scientific basis for those with “natural immunity” to Covid-19 to be required to quarantine, Magistrates’ Court heard. Sophia Cannonier and her husband, ...

This review emphasizes BC’s potential as a natural, cost-effective alternative to pharmaceuticals for strengthening immunity, mitigating chronic diseases, and promoting healthy aging, with possible ...