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Strategies to Control the Pandemic
3. TTT Program

II. The Role of Tracking While Waiting for a Cure and a Vaccine

Factors need to be in place to achieve this goal:

Tracking of new cases to suppress the resurgence of local outbreaks as early as possible, aiming to avoid new peaks

Identifying previously infected people who can safely return to work, to revitalize the economy and to strengthen the health workforce

Gaining intelligence on the evolution of the epidemic, including on when a threshold for herd immunity has been reached

In the case of COVID-19, it has been estimated that over 50% to 60% of the population needs to be immune to the virus to halt its spread.