Optimistically, we might hope that fatalities will be limited during this wave. Mar 16, 2021 · 06:30 am Commuters walk on a railway platform after disembarking from a train amidst the spread of the coronavirus disease in Mumbai on February 9, 2021. | Francis Mascarenhas/Reuters Mumbai’s daily Covid-19 cases are climbing sharply. Over the past week, cases have averaged almost 1,600 per day – triple the number one month ago. Meanwhile, a small but increasing fraction of the city has had at least one dose of a Covid-19 vaccine, probably around 4% to date. How bad is the city’s third Covid-19 surge? And where is it likely to go next? Could vaccination halt the wave?