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Antigen test
Nasopharyngeal test. To determine if COVID-19 infection is detected when a high viral load is present. Suitable in geographical areas with a high incidence of the virus and when there is a need to obtain an "immediate response".
Results in 15 minutes
PCR
Nasopharyngeal test. To detect if the person is in an active state of COVID-19 infection and therefore is going through the disease. Useful in both asymptomatic and symptomatic cases.
Results in 24 - 48 hours
Serology
Blood draw to order IgM and IgG antibodies. To determine if the person has passed COVID-19 disease or if they are in an active or advanced state.
Results in 48 hours