The most simple thing to investigate….a questionnaire to all patients who were [serious] sick Costs: cents

https://www.foodnavigator.com/Article/2022/03/15/fighting-covid-19-with-milk?utm_source=newsletter_daily&utm_medium=email&utm_campaign=15-Mar-2022&cid=DM997109&bid=1875997447
https://www.foodnavigator.com/Article/2022/03/15/fighting-covid-19-with-milk?utm_source=newsletter_daily&utm_medium=email&utm_campaign=15-Mar-2022&cid=DM997109&bid=1875997447