Biological Factors: News and Research on BNT162 Vaccine

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COVID vaccines also help protect HIV patients

People infected with HIV who receive antiretroviral therapy form antibodies against SARS-CoV-2 after being vaccinated against COVID with mRNA vaccines. Their immune response to the vaccination is, however, less strong than ...

Which COVID vaccine you get could affect your myocarditis risk

Incidence of myocarditis, pericarditis or myopericarditis is two- to threefold higher after a second dose of the Moderna Spikevax COVID-19 vaccine when compared to the Pfizer BioNTech COVID-19 vaccine; however, overall cases ...

Chinese officials signal no change to 'zero-COVID' policy

Chinese health officials gave no indication Saturday of any relaxation of COVID-19 restrictions, following several days of speculation that the government was considering changes to a "zero-COVID" approach that has stymied ...

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