Metrolab Blog

Coronavirus: Do Facemasks Work?

Article published in International LabMate website (

In the wake of the global COVID-19 crisis, people have been scrambling for ways to protect themselves against the virus. Unsurprisingly facemasks have been flying of the shelves, sparking a worldwide shortage. While they’re one of the most obvious forms of defence against infectious diseases, questions have been raised over whether facemasks actually work.

While facemasks can stop infected droplets from reaching the face, COVID-19 can also be passed on through the eyes and via miniscule viral particles that can penetrate masks. Experts say they’re far more effective when worn by medical professionals in close contact with patients, or infected people attempting to avoid spreading the virus, not everyday citizens wanting to protect themselves against the virus.

Read the full article here.