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Testing for COVID-19: A way to lift confinement restrictions
This policy brief discusses the role of testing for COVID-19 as part of any plan to lift confinement restrictions and prepare for a possible new wave of viral infections. If all confinement restrictions are lifted before a vaccine or effective treatments are developed without other measures to suppress new infections, the infection rate is expected to rebound rapidly. Crucially, quick suppression of infections requires testing more people to identify who is infected; tracking them to make sure they do not spread the disease further; and tracing with whom they have been in contact. This brief discusses how testing strategies can be used to achieve three main goals: 1) suppressing the resurgence of local outbreaks; 2) identifying people who have developed some form of immunity and can safely return to work; and 3) gaining intelligence on the evolution of the epidemic, including on when a threshold for herd immunity has been reached. The brief discusses what tests can be used for each goal, as well as practical implementation issues with testing strategies, including the opportunities and risks of using digital tools in this context.
THE ROLE OF TESTING WHILE WAITING FOR A CURE AND A VACCINE;
TYPES AND OBJECTIVES OF TEST TO DETECT COVID-19;
- Molecular diagnostic test;
- Serologic test;
HOW TESTING CAN BE USED TO MANAGE THE COVID-19 DISEASE;
- Testing, tracking, and tracing of new cases to suppress local outbreaks;
- Who should be tested?;
- Gaining intelligence on the evolution of the epidemic: Testing for population surveillance;
GETTING IT DONE: IMPLEMENTATION ASPECTS OF TESTING STRATEGIES:
- The feasibility of testing strategies to inform management of COVID-19 restrictions;
- Balancing privacy and public health and security objectives.
- Formato: PDF
- Número de páginas: 21
- Tamaño: 765 Kb.
This policy brief discusses the role of testing for COVID-19 as part of any plan to lift confinement restrictions and prepare for a possible new wave of viral infections. If all confinement restrictions are lifted before a vaccine or effective treatments are developed without other measures to suppress new infections, the infection rate is expected to rebound rapidly. Crucially, quick suppression of infections requires testing more people to identify who is infected; tracking them to make sure they do not spread the disease further; and tracing with whom they have been in contact. This brief discusses how testing strategies can be used to achieve three main goals: 1) suppressing the resurgence of local outbreaks; 2) identifying people who have developed some form of immunity and can safely return to work; and 3) gaining intelligence on the evolution of the epidemic, including on when a threshold for herd immunity has been reached. The brief discusses what tests can be used for each goal, as well as practical implementation issues with testing strategies, including the opportunities and risks of using digital tools in this context.
THE ROLE OF TESTING WHILE WAITING FOR A CURE AND A VACCINE;
TYPES AND OBJECTIVES OF TEST TO DETECT COVID-19;
- Molecular diagnostic test;
- Serologic test;
HOW TESTING CAN BE USED TO MANAGE THE COVID-19 DISEASE;
- Testing, tracking, and tracing of new cases to suppress local outbreaks;
- Who should be tested?;
- Gaining intelligence on the evolution of the epidemic: Testing for population surveillance;
GETTING IT DONE: IMPLEMENTATION ASPECTS OF TESTING STRATEGIES:
- The feasibility of testing strategies to inform management of COVID-19 restrictions;
- Balancing privacy and public health and security objectives.
- Formato: PDF
- Número de páginas: 21
- Tamaño: 765 Kb.
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