Bivalent (two-strain) COVID-19 vaccines help protect against COVID-19–related thromboembolic events, including strokes, embolisms, and heart attacks, more so than monovalent (one-strain) vaccines, according to a study today in Morbidity and Mortality Weekly Report.
The curves on some Covid graphs are looking quite steep, again.
Reported levels of the virus in U.S. wastewater are higher than they have been since the first Omicron wave, according to data from the Centers for Disease Control and Prevention, though severe outcomes still remain rarer than in earlier pandemic winters.
Experts said there are several reasons why people might still be dying from the virus, including not enough people accessing treatments or getting vaccinated as well as waning immunity.
Some countries in the Southern Hemisphere, currently in their summer season, are experiencing higher-than-expected levels of respiratory disease activity for this time of year due to COVID-19, the Pan American Health Organization (PAHO) said yesterday in an epidemiologic update.
