• 18 years and above • Participant is willing and able to give informed consent for participation in the study and agrees with the study and its conduct • Agrees not to self-medicate with chloroquine, hydroxychloroquine or other potential antivirals (e.g. not on HAART that includes LPV/r as part of the regimen) • Not previously diagnosed with COVID-19 • Not currently symptomatic with an acute respiratory infection (ARI) • Possesses an internet-enabled smartphone (Android or iOS) or computer

• 18 years and above • Participant is willing and able to give informed consent for participation in the study and agrees with the study and its conduct • Agrees not to self-medicate with chloroquine, hydroxychloroquine or other potential antivirals (e.g. not on HAART that includes LPV/r as part of the regimen) • Not previously diagnosed with COVID-19 • Not currently symptomatic with an acute respiratory infection (ARI) • Possesses an internet-enabled smartphone (Android or iOS) or computer