Biological Factors: News and Research on Nucleic Acid-Based Vaccines

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COVID-19: A respiratory mucosal vaccine effective in mice

Less known to the general public, mucosal vaccination via the mucus membranes could provide robust protection against SARS-CoV-2 infections. Immune cells in the nose and lungs are considered better prepared to encounter and ...

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 ...

COVID-19 mRNA vaccines and fever: A possible new link

mRNA vaccines for COVID-19 generate adverse reactions such as fever and fatigue which are considered normal and are transient in nature. However, there has been a growing fear of taking the mRNA-1273 vaccine prevalent in ...

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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