Natural history of SARS-CoV-2 in comparison to influenza A virus in a multi-site study in the Southern Hemisphere and equatorial regions.. Influenza A virus, Influenza B virus

The goal of this study is to understand the impact of seasonal changes on SARS-CoV-2 dynamics by conducting surveillance for influenza and COVID-19 in three continents and eight countries, comprising urban and rural settings with a wide range of pandemic mitigation strategies in place. This portion of the study is being conducted in Lusaka and Ndola, Zambia.