PT - JOURNAL ARTICLE ED - , TI - COVID-19 Factsheet AID - 10.1183/20734735.ELF164 DP - 2020 Dec 01 TA - Breathe PG - ELF164 VI - 16 IP - 4 4099 - http://breathe.ersjournals.com/content/16/4/ELF164.short 4100 - http://breathe.ersjournals.com/content/16/4/ELF164.full SO - Breathe2020 Dec 01; 16