The group steered away from defined cutoff points such as "droplets" and "aerosols" that scientists have used to distinguish larger particles from smaller particles.
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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"Vaccine nationalism hurts us all and is self-defeating."
Also, the Biden team proposes a new COVID-19 vaccine distribution plan.
Studies spotlight limited in-school COVID-19 spread in North Carolina, Sweden, and Norway.
Two new studies highlight the threat posed by the multidrug-resistant yeast Candida auris to hospitalized COVID-19 patients.
There are now at least 56 cases of the variant B117 in 8 states; California and Florida have the most.
Counties with large universities offering in-person instruction saw a 56% jump in COVID-19.
The head of the WHO European office warns the B117 variant could displace other lineages.
The results of a UK mental health survey conducted before and after the start of the pandemic found that British minorities were more impacted by the pandemic, but all citizens reported an increase in mental distress, according to a study yesterday in PLOS One.
Survey finds COVID tracking maps don't change Americans' perceived individual risk.
Vaccine risk of anaphylaxis is 11.1 per 1 million doses administered, the CDC says.