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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For critical illness VE was 38% if the last dose was received any time within the previous year.
The findings suggest that older patients with severe COVID-19 may respond more favorably to immunomodulatory therapies aimed at certain inflammatory cytokines, the authors say.
Use of the antiviral was linked to a significant decline in in-hospital death at both 14 and 28 days, regardless of variant of concern.
Cells collected from children had high expression of interferon-stimulated genes and incomplete viral replication.
Healthcare worker vaccine reluctance can compromise patient care, the authors say.
SARS-CoV-2 positivity on PCR tests had no significant effect on the risk of a new asthma diagnosis.
None of the nearly 1,300 death certificates cited COVID-19 vaccination as the cause of death.
US policymakers need to target their distribution approach to providing access to life-saving medical supplies in shortage, the authors say.
Clinical factors tied to delayed testing were the presence of three or more underlying conditions, asthma, and obesity.
One study found that veterans were at 44% higher risk of a preventable hospitalization in the year after infection.