Even as cases rise, genetic analysis suggests that the virus has been silently circulating in people since 2018.
Tag: Disease Rates
C.D.C. Dismisses Airborne Transmission of Monkeypox. Some Experts Disagree.
The virus “is not known to linger in the air,” agency officials said. But the research is far from definitive.
Miami-Dade, San Juan and Honolulu Have Become Covid Hot Spots
“Covid-19 hasn’t disappeared as much as our patience for precautions has,” said one public health expert.
Covid and Race
The death rate for white Americans has recently exceeded the rates for Black, Latino and Asian Americans.
Alameda County in California Reinstates Indoor Mask Mandate
Officials cited growing hospitalizations in reimposing the policy.
Your Friday Briefing
Ukraine says Russia controls 20 percent of its territory.
South Africa Was Hit by Virus Wave, Despite Most People Having Antibodies
Researchers say the study provides yet more evidence of the virus’s capacity to evolve and dodge immunity.
During the Omicron Wave, Death Rates Soared for Older People
Last year, people 65 and older died from Covid at lower rates than in previous waves. But with Omicron and waning immunity, death rates rose again.
Why Masks Work, but Mandates Haven’t
Why haven’t Covid mask mandates made much difference?
As Monkeypox Cases Rise, Nations Are Urged to Examine Vaccine Stores
The United States has stockpiled millions of doses of two smallpox vaccines, also effective against monkeypox. But the outbreaks so far are clustered in other countries.