@Kristian Andersen https://clinicaltrials.gov/ct2/show/NCT04444674 Locations South Africa PHRU Kliptown Johannesburg, Gauteng, South Africa, 1811 Soweto Clinical Trials Centre Johannesburg, Gauteng, South Africa, 1818 Wits RHI Shandukani Research Centre Johannesburg, Gauteng, South Africa, 2001 Setshaba Research Centre (SRC) Soshanguve, Gauteng, South Africa, 0152 Chris Hani Baragwanath Academic Hospital - DST/NRF VPD RMPRU Soweto, Gauteng, South Africa, 2013 FAMCRU Cape Town, Western Cape, South Africa, 7505 Groote Schuur hospital, Lung infection and immunity unit, UCT Cape Town, Western Cape, South Africa, 7925 https://clinicaltrials.gov/ct2/show/NCT04536051 Locations Brazil Instituto D'Or de Pesquisa e Ensino - I'Dor Recruiting Salvador, Bahia, Brazil, 41253-190 Principal Investigator: Ana Verena Mendes Centro de Pesquisas Clinicas de Natal (CPCLIN) Recruiting Natal, Rio Grande Do Norte, Brazil, 59025-050 Principal Investigator: Eveline Pipolo Milan Hospital das Clinicas de Porto Alegre Recruiting Porto Alegre, Rio Grande Do Sul, Brazil, 90035-903 Principal Investigator: Eduardo Sprinz Universidade Federal de Santa Maria (UFSM) Recruiting Santa Maria, Rio Grande Do Sul, Brazil, 97105-900 Principal Investigator: Alexandre Vargas Schwarzbold Instituto D'Or de Pesquisa e Ensino - I'Dor Recruiting Rio de Janeiro, Brazil, 22281-100 Principal Investigator: Ana Maria Pitella de Souze Leite CRIE, Universidade Federal de São Paulo Recruiting São Paulo, Brazil, 04038-001 Principal Investigator: Lily Weckx