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COVID-19 cases are spiking across the US just as rising summer temperatures are drawing people indoors to seek relief in the air conditioning.
For this winter’s COVID-19 surge, Justman says that hospitalizations are expected to peak at a rate higher than during this past summer’s surge but probably lower than during last winter's peak.
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The transmission of COVID-19 is the passing of coronavirus disease 2019 from person to person. COVID-19 is mainly transmitted when people breathe in air contaminated by droplets/aerosols and small airborne particles containing the virus. Infected people exhale those particles as they breathe, talk, cough, sneeze, or sing.
A June 2020 systematic review found a 29–54% prevalence of olfactory dysfunction for people with COVID-19, [59] while an August 2020 study using a smell-identification test reported that 96% of people with COVID-19 had some olfactory dysfunction, and 18% had total smell loss. [60]
HEPA filters are designed to arrest very fine particles effectively, but they do not filter out gasses and odor molecules. Circumstances requiring filtration of volatile organic compounds, chemical vapors, or cigarette, pet or flatulence odors call for the use of an activated carbon (charcoal) or other type of filter instead of or in addition to a HEPA filter. [20]
Unfortunately, norovirus infections can and do happen. “Norovirus is a ubiquitous virus that everyone experiences multiple times in their life,” Adalja says. The best you can do is try to ...
Coronavirus diseases are caused by viruses in the coronavirus subfamily, a group of related RNA viruses that cause diseases in mammals and birds. In humans and birds, the group of viruses cause respiratory tract infections that can range from mild to lethal.