mikenov on Twitter: RT @NBCNews: The spread of the coronavirus now being driven by people in their 20s, 30s and 40s, many of whom were unaware they were infect…

The spread of the coronavirus now being driven by people in their 20s, 30s and 40s, many of whom were unaware they were infected, posing a danger to vulnerable group, WHO says. nbcnews.to/324e9Cd