Vaccine effectiveness against COVID-related hospitalization was 38% in the 2 months after receipt of one dose and 34% at 2 to 4 months.
Study suggests medical masks may offer similar protecion as N95 respirators, but experts say hold on.
Public health professionals use some terms imprecisely, others incorrectly, and still others technically accurate but almost sure to be misunderstood by the public.
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COVID-19 patients were at a 25% to 30% increased risk for new-onset inflammatory autoimmune diseases after the first 30 days post-infection.
The latest round of free at-home tests began in November 2023 heading into the winter respiratory virus season.
The researchers determine that long COVID was associated with how quickly inflammation and low iron levels regulated after acute infection.
Transmission appears to be low, but health officials are monitoring the variant because of potential immune escape.
The unvaccinated were 11 to 17 times more likely to die than those who completed a primary COVID-19 vaccine series.
The mechanisms for the menstrual changes, which the authors say are usually not clinically significant, may have to do with the immune response to vaccines.
The observed median time to first recovery was 14 days in the ivermectin group and 15 in the usual-care group.
Flu is rising in central states, and COVID levels are highest but on the decline in southern states.
The results highlight the importance of addressing the broader impacts of the pandemic on health beyond those directly associated with documented infection, the authors say.
Among adults 65 years and older, vaccine effectiveness was 54% in the first 7 to 59 days.