LONDON — More than half of COVID-19 patients discharged from hospital still experienced symptoms of breathlessness, fatigue, anxiety and depression for two to…
LONDON — Ongoing illness after infection with COVID-19, sometimes called “long COVID,” may not be one syndrome but possibly up to four causing a rollercoaster…
RIO DE JANEIRO — A new study that analyzed the coronavirus outbreak in Brazil has found a link between the spread of the virus and past...
SINGAPORE — An increasingly common mutation of the novel coronavirus found in Europe, North America and parts of Asia may be more infectious but appears less...
CHICAGO — U.S. government scientists have begun efforts to manufacture a strain of the novel coronavirus that could be used in human challenge trials of vaccines,...