coronavirus disease(84) COVID-19(67) Patient(59) Coronavirus disease 2019(47) Treatment(41) drug(39) SARS-CoV-2(29) Infection(28) reported(26) COVID‐19(26) risk(21) Analysis(20) benefit(20) pandemic(19) Evidence(19) effective(19) food(19) conducted(18) death(18) Effect(18) performed(18) FDA(17) patients with COVID-19(17) therapy(17) positive(17) demonstrated(16) age(16) tested(16) Hydroxychloroquine(15) moderate(15)