In the early months of the pandemic, getting a coronavirus test typically…
In July, Michael Saag, a professor of medicine and infectious diseases expert…
From the start of the pandemic, the coronavirus seemed to target people…
Recently a patient in his 70s came seeking care at the small…
Several dozen cases of the new Omicron variant of the coronavirus have…
Citing the potential for waning immunity six months or more after vaccination,…
A surge in Covid cases and a shortage of health care workers…
Nations in southern Africa protested bitterly on Saturday as more of the…
The world reacted with alarm on Friday to the highly mutated new…
Vaccination rates in most of Western Europe are higher, but the levels…
Dr. Rebecca Smith, an epidemiologist at the University of Illinois, said she…
A scientist who has pored over public accounts of early Covid-19 cases…
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