RT Journal Article SR Electronic T1 Symptomatology of COVID-19, rhinovirus and undifferentiated viral infections in a static military population JF BMJ Military Health JO BMJ Mil Health FD British Medical Journal Publishing Group SP bmjmilitary-2021-001819 DO 10.1136/bmjmilitary-2021-001819 A1 Ela Stachow A1 S Warden A1 K Cockcroft A1 S Schofield YR 2021 UL http://militaryhealth.bmj.com/content/early/2021/03/19/bmjmilitary-2021-001819.abstract AB