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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Up-to-date COVID-19 data
Pregnant women with COVID-19 are more likely to experience complications such as heart attacks or blood clots, though the absolute increased risk is small, according to a JAMA Internal Medicine research letter today.
These findings highlight the need for risk mitigations, the authors write, adding that pregnant women should also be included in COVID-19 vaccine and treatment trials.
In the UK, the rate for hospital admissions reaches new heights.
Screenings dropped 63% to 82% during the first pandemic wave but had a higher rate of cancer detection.
Nearsightedness was 3 times more common in 6-year-old children during the lockdown.
One key proposal: a "100 million vaccines in 100 days" mass vaccination campaign.
Interim phase 1-2a results from Johnson & Johnson's COVID-19 vaccine trials show that its vaccine, Ad26.COV2.S, produces a good immune response and safety profile, according to a New England Journal of Medicine study yesterday.
Also, the WHO says its COVID-19 emergency committee will meet tomorrow for the sixth time.
And in a new study, CDC data show more cases in kids as schools reopened, but only limited school outbreaks.
Patients not needing ventilators who were given high-titer plasma had a 34% lower risk of death within 30 days.
Almost half (45.4%) of intensive care unit (ICU) physicians, nurses, and other healthcare workers in England reported a mental disorder during the pandemic, including suicidal thoughts, according to survey results published in Occupational Medicine yesterday.