The COVID-19 case spike in the summer of 2020 and earlier attempts to rely on personal responsibility, like wearing seat belts, showed that mandates make a difference.
We need to rigorously analyse data from recent lockdowns, so we can respond better to future outbreaks.
When people start to hear that global case numbers are improving, there's a tendency to relax — and that's risky.
Are two face masks better than one? Adding layers of filtration by double masking is a way of using the masks that we already have, possibly to better effect.
Everything you need to know about fit, filtration and breathability.
The positive reaction to service workers wearing masks varied by region, with those in the West on the high end and people in the Midwest at the low end.
Why the virus just keeps spreading – and what to do about it.