COVID-19 risk on planes 'very low' with proper measures, Harvard review says - ABC News

11:39am PDT - October 27th, 2020    cnbc - ABC News

1. COVID-19 risk on planes 'very low' with proper measures, Harvard review says  ABC News
2. British study shows evidence of waning immunity to Covid-19  CNN
3. Coronavirus antibodies decline after infection, study finds, raising questions …