List of countries implementing pool testing strategy against COVID-19

Pool testing, also known as group testing, is a strategy used to efficiently test multiple individuals for COVID-19. The approach involves combining samples from several people and testing them as a group. If the pool tests negative, everyone in that group is presumed negative. If the pool tests positive, individual samples from that group are then tested to identify who is positive. Many countries have implemented pool testing strategies at various points during the COVID-19 pandemic.