New Delhi, March 1 -- For 10 months last year, at least five days a week, very rarely more, even more rarely less, I wrote a column on the coronavirus disease, Covid-19. It was mostly focused on science and data - the two things that I have maintained are needed to fight Covid-19 - although there were digressions into economics, the nature of work and play, literature, and music.

I stopped writing the column on January 1. It was the day India announced the launch of the vaccine - and it was, I believed (and still do), the beginning of the end. Sure, Covid-19 will be around for a long time; it may never be eradicated; but the vaccines render it powerless.

There's been a lot to write about since then, and there are times I have considered...