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In the past four months SARS-CoV-2 has reached most countries in the world. Public health strategies based on widespread testing and proper isolation of positive cases have shown to be helpful to reduce local transmission of SARS-CoV-2. Confirmatory tests, that identify viral RNA, and screening serological tests that identify viral antigens or host antibodies against viral proteins are part of the tools that nations can use to fight infectious disease epidemics. Understanding how each test works can provide insights about their test characteristics and how they can be used for different clinical and public health goals. Testing is a key strategy to reduce viral transmission, not only for this epidemic, but also for others to come.


 

Julián Santaella-Tenorio, Universidad del Valle. Cali, Colombia

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Veterinary doctor with master's and doctorate studies in epidemiology. Julian has worked in research on transmission of infectious agents from animals to humans. In the last 10 years, he has investigated the prevention of violence and injuries, mental health and the consumption of psychoactive substances in the population. He is currently a professor and coordinator of the Master of Clinical Epidemiology at the Universidad Javeriana, professor at the School of Public Health at the Universidad del Valle and consultant to the Center for Opioid Epidemiology and Policy at NYU Langone 

AAA_orcid_id69.png https://orcid.org/0000-0003-3060-5994

Santaella-Tenorio, J. (2020). SARS-CoV-2 diagnostic testing alternatives for Latin America. Colombia Medica, 51(2), e–4272. https://doi.org/10.25100/cm.v51i2.4272

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