Why does the pandemic seem to be hitting some countries harder than others?
Siddhartha Mukherjee writes: On December 2nd, Mukul Ganguly, an eighty-three-year-old retired civil engineer in Kolkata, India, went to the Salt Lake Market to buy fish. The pandemic was surging around much of the world, and he wasn’t oblivious of the risks of spending time at a wet market. His wife, a former forensic analyst, protested vehemently. But Mr. Ganguly wouldn’t be deterred. He picked up his fabric shopping bag, tucked a doubled-up handkerchief in his pocket, and stepped out. Mr….