Several cities had mask mandates and vaccine passports in effect last summer. Despite widespread vaccination and several available treatments, the U.S. is recording as many COVID-19 cases now at the ...

Nearly all new infections in the county are among unvaccinated people. Health officials in Los Angeles County are warning that the delta variant's spread among unvaccinated people is driving a spike ...

COVID-19 is rising in prevalence in many states following the July 4 holiday week, but the role of the main therapy to treat it — the antiviral drug Paxlovid — has become less clear. Research studies ...

A new Covid variant that’s gaining momentum globally has landed in the U.S. The World Health Organization announced last week that it was monitoring the variant, NB.1.8.1, following a rise in cases in ...

During the first two pandemic years, 1,008,012 people were diagnosed with cancer—473,781 in 2020 and 534,231 in 2021. Overall, one-year CSS was 84.8% in 2020 and 85.7% in 2021.