Updated On: 25 January, 2022 07:01 AM IST | Mumbai | C Y Gopinath
In the last two years of COVID we have been hammered by science and scientists. Everyone claims to have the truth but no one agrees with anyone else. What to do?

Over the past two years, so many scietific studies on COVID-19 have been published, except that their facts contradicted each other and created chaos. Representation pic
A friend tells you that according to science, wearing a mask does nothing to fight COVID. You tell him to stop talking nonsense and he brings up a February 2020 study called Effectiveness of N95 respirators versus surgical masks against influenza: A systematic review and meta-analysis, published in China by seven scientists.
After six randomised clinical trials involving 9,171 participants, the study found that statistically N95 masks were no better than surgical masks in preventing influenza, respiratory viral infections, respiratory infections and flu-like illnesses. Why, he asks, would anyone think it would be better against the coronavirus?