Health officials confirmed one American has tested positive for the virus while asymptomatic, while another is showing symptoms.

Add Yahoo as a preferred source to see more of our stories on Google. The World Health Organization on Tuesday sought to clarify a top official’s claim, made just a day earlier, that asymptomatic ...

BEIJING (Reuters) - China said 300 symptomless carriers of the novel coronavirus in Wuhan, the epicentre of the pandemic, had not been found to be infectious, in a bid to reassure people as countries ...

The World Health Organization incited backlash from public health officials during a news conference on June 8 when Maria Van Kerkhove, the WHO's technical lead for the COVID-19 response, said it's ...

Two-thirds or more of people infected with COVID-19 who infect others may do so before ever showing symptoms themselves, a prospect that is prompting intense activity to understand the so-called ...

Editor's note: Find the latest COVID-19 news and guidance in Medscape's Coronavirus Resource Center. Approximately 20% of asymptomatic people who test positive for COVID-19 will remain symptom-free ...

Editor's note: Find the latest COVID-19 news and guidance in Medscape's Coronavirus Resource Center. A systematic review suggests at least one third of SARS-CoV-2 infections occur in people who never ...

New estimates of the number of asymptomatic people with the coronavirus suggest that "silent" COVID-19 is much more prevalent than once thought, according to two studies published Wednesday. Subscribe ...

Maria Van Kerkhove, technical lead of the World Health Organization (WHO) health emergencies programme. One reason Covid-19 has spread so rapidly is that people infected with the SARS-CoV-2 ...