against severe-critical COVID-19, with substantial VE even at unquantifiable neutralizing antibody titer. Multivalent antigen display on nanoparticles can enhance the immunogenicity of vaccines ...

Being infected with COVID-19 may temporarily improve your immunity. However, it's unknown how long that protection lasts and how valuable it is against different variants of the virus. That's why a ...

In September, the USPS started offering four free at-home COVID test kits to US households. For people who experience seasonal allergies but aren't entirely sure if that congested feeling is ...

This one is called XEC, and it’s emerging as a common one right now, taking over from variant KP.3.1.1. It’s time to get out those at-home COVID test kits and keep them handy. The problem with ...

Earlier this month, the Food and Drug Administration authorized the Healgen Scientific's Rapid Check COVID-19/Flu A&B Antigen Test for home use without a prescription, which makes it easier for ...

Don't automatically throw out that old COVID ... the test first received FDA authorization. Cards reminding people to check test expiration dates are also being included in the free test kit ...

News of the US military’s secret disinformation campaign to undermine China’s Covid-19 vaccine has outraged the Philippines. Running from China: the ‘older’ single women escaping to study ...

Cards reminding people to check test expiration dates also are being included in the free test kit packages that the U.S. government started shipping in late September. American households can once ...

It may be tempting to throw away those tests or other COVID-19 home test kits that are labeled near their expiration dates, but the U.S. Food and Drug Administration is encouraging people to check ...