Researchers deliberately infect participants with SARS-CoV-2 in ‘challenge’ trials — but high levels of immunity complicate ...
All the more reason to worry that Covid vaccines may have tarnished the technology ... That turned out to be wrong, as he ...
But for millions of Americans like Jessica Spangler's 9-year-old daughter, who is at risk for lung problems, the threat from ...
Olfactory dysfunction, especially for smell, is more common in individuals with prior COVID-19 versus individuals with no ...
Professor Zhang Yongzhen had flouted a government ban by disclosing the genome of the Covid virus soon after it emerged in ...
A new study shows that an abnormally active immune system, a characteristic of long COVID patients, largely subsides two ...
A new case study of a 72-year-old man from the Netherlands who had a sustained COVID-19 infection for nearly two years shows how prolonged infections can give viruses the time they need to mutate into ...
Ralph Baric, the UNC scientist who worked with Wuhan’s top coronavirus researcher, told congressional investigators that he ...