covid-19 vaccine: Hunker down or go easy? Ten months into the pandemic, scientists spar over herd immunity

In recent weeks, Great Barrington, a ski town with barely a few thousand inhabitants in Massachusetts, the US, has suddenly sprung to fame. Three leading epidemiologists — Martin Kulldorff, who teaches at Harvard University; Sunetra Gupta from Oxford University; and Jay Bhattacharya, a professor at Stanford University — formed a group at the county to pen down their concerns on the raging pandemic and suggest means to get out of it. With all