A report by the CDC suggests that some child-care centers could reopen safely in areas where COVID-19 infection is contained.

Wearing a cloth face mask protects the people around you, in case you’re one of the perhaps 50% of people who are infected with coronavirus but have no symptoms.

Here is my view on this, as an Environmental Health Scientist and expert in nanoparticle safety (Yes, viruses are nanoparticles!).

In the workplace, occupational exposure limits (OEL) are put in place in order to prevent the worker from handling the material in such a way that may cause harm to them.