Public HealthJuly 28, 2020
COVID-19: The Big Questions That Remain
The COVID-19 pandemic has become the worst public-health crisis in a century. More than 500,000 people have died worldwide. It has also catalysed a research revolution, as scientists, doctors and other scholars have worked at breakneck speed to understand COVID-19 and the virus that causes it: SARS-CoV-2. Nature runs through some of the key questions that researchers still don’t have answers to.