Covid-19: Twelve key milestones in a year like no other

From the first cases in central China to hopes of a vaccine a year later, here are a dozen key developments in the spread and subsequent fight against Covid-19.

source https://timesofindia.indiatimes.com/world/europe/covid-19-twelve-key-milestones-in-a-year-like-no-other/articleshow/79419787.cms