Types and reuse of masks in COVID-19 times: All you need to know

Wearing mask has become the order of the day. As the lockdown norms are to be relaxed, the demand is likely to surge.

A watchmaker sells homemade masks at Purusaiwalkam in Chennai. (Photo | Debadatta Mallick, EPS)

Wearing mask has become the order of the day. As the lockdown norms are to be relaxed, the demand is likely to surge. Sushmitha Ramakrishnan speaks to former director of DPH Dr K Kolandaswamy about various types of masks and their reuse