Harvard University researchers say an on-again, off-again approach to social distancing could be a more effective strategy to avoid overwhelming hospitals and to build herd immunity against the novel coronavirus — but other experts aren’t so sure.
An April study, conducted at Harvard University’s T.H. Chan School of Public Health, championed intermittent social distancing — measures that are periodically reimposed when cases reach certain levels.
Christine Tedijanto, a PhD student who co-authored the study, told Global News it will take at least two more years to reach “sufficient levels of population immunity for the disease to stop spreading.” According to the researchers’ modelling, as long as social distancing occurred between 25 per