The protection conferred by natural immunity, vaccination, and both against symptomatic severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection with the BA.1 or BA.2 sublineages of the ...
Evidence for the effectiveness of masking on SARS-CoV-2 transmission at the individual level has accumulated, but the additional benefit of community-level mandates is less certain. In this ...
Whereas cardiovascular disease-related mortality has declined in most developed countries, its known prevalence is increasing worldwide, although few data on the causes of heart disease in the ...
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