SARS-CoV-2 Delta variant - Wikipedia

Coronavirus Updates: Covid Updates: N.Y.C. to Move 8,000 Homeless People From Hotels - The New York Times

COVID-19 pandemic - Wikipedia

CDC weighs risk of BA.2.86 COVID-19 lineage as 3 more nations report sequences

The molecular epidemiology of multiple zoonotic origins of SARS-CoV-2

SARS-CoV-2 delta variant generates infections more quickly than previous strains

Rapid assessment of SARS-CoV-2–evolved variants using virus-like particles

Simulating COVID-19 classroom transmission on a university campus

SARS-CoV-2 - Wikipedia

SARS-CoV-2 B.1.1.529 (Omicron) Variant — United States, December 1–8, 2021

The Dynamic COVID-Zero Strategy in China