The overall case-hospitalization rate among patients was 5.7%.
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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A consortium announces the launch of a $57 million project to test inhaled and nasal vaccines with a goal of stopping infection from SARS-CoV-2 and other coronaviruses.
Lack of insurance decreased among Black and White people with Medicaid-paid births by 97% and 69%, respectively.
Wastewater COVID detections last week declined from the high to the moderate level.
Vaccine effectiveness was highest for adolescents, at 56%.
The probability of having persistent viral fragments was about double in hospitalized participants and in those who reported being very ill but weren't hospitalized.
Single-strain XBB.1.5 shots reduced the risk of severe COVID-19 by 31%.
Men exhibited greater increases in skin temperature, breathing rate, and heart rate, as well as larger declines in heart rate variability.
Stage 1 diagnoses dropped by 4% in 2020, but stage 4 diagnoses increased 7%.
Many turned to social media for information and support, with some saying they were now better able to empathize with their long-COVID patients.
Prior to the pandemic, cumulative mortality risks were higher in the Puerto Rican and Cuban groups.