COVID-19 infection gives some immunity, but virus can still be spread, study finds | Reuters
https://www.reuters.com/article/us-health-coronavirus-immunity/covid-19-infection-gives-some-immunity-for-at-least-five-months-uk-study-finds-idUSKBN29J004?utm_source=newsletter&utm_medium=email&utm_campaign=covid_bytes_daily_newsletter Roland. Toronto.