Latin America and the Caribbean is one of the epicenters of the pandemic. (
Latin America and the Caribbean is one of the epicenters of the pandemic. (

Wastewater Testing Can Improve Latin America's COVID-19 Response: Report

English covid-19 latin america water
Wahyu Dwi Anggoro • 26 January 2022 12:04
Washington: Wastewater testing provides a relatively economic method whereby countries in Latin America and the Caribbean can improve their detection, diagnosis, control, and monitoring systems for viruses that cause diseases like COVID-19 and its variants, according to a new World Bank report.
Latin America and the Caribbean is one of the epicenters of the pandemic, with some of the highest mortality rates in the world and more than 1.56 million deaths. 
With its unrelenting social and economic consequences, COVID-19 threatens to undo recent gains in human capital outcomes in the region. 

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In this context, wastewater testing can, at a relatively low cost, provide information on the circulation of the virus and identify clusters of cases before the situation reaches the level of sustained transmission.
This early warning allows public health professionals to detect potential outbreaks and quickly implement targeted control measures.
The new report highlights that wastewater testing can facilitate the collection of useful information about vulnerable populations or groups in remote locations, especially those that do not have access to clinical tests for COVID-19. 
The collection and testing of samples in certain at-risk settings provides reliable information and can therefore prevent outbreaks that could overwhelm the local health care system, especially with the emergence of new worrying variants, such as Omicron.
"The COVID-19 pandemic has meant the loss of years of development gains for many countries in the region and has highlighted the need to develop new tools to better prepare for and respond to future crises," said Carlos Felipe Jaramillo, World Bank vice president for the Latin America and Caribbean region, in a press release on Tuesday.
"The region can benefit from using its water and sanitation infrastructure for public health risk surveillance, such as COVID-19. The World Bank will help countries finance and implement this type of smart investments to help solve their complex problems," highlighted Jaramillo.
The report "Strengthening public health surveillance through wastewater testing: an essential investment for the COVID-19 pandemic and future health threats" indicates that investments in wastewater monitoring systems can yield long-term benefits to strengthen countries’ capacity to provide timely and well-informed public health responses. 
Best practices therefore need to be developed for measurement and the generation of reports, as well as to enable collaboration and coordination between health entities, laboratories, and services that are involved in wastewater collection. 
This will require an infrastructure that allows for a broader, well-organized, and sustainable surveillance system.

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