The main role of disease surveillance is to predict, observe, and minimize the harm caused by outbreak, epidemic, and pandemic situations, as well as increase knowledge about which factors contribute to such circumstances. There are different types of strategies to meet the surveillance. 1) Sentinel surveillance systems consist of health facilities or laboratories in selected locations that report all cases of a certain condition to indicate trends in the entire population. Sample reporting is a good way to use limited resources to monitor suspected health problems. 2) Household surveys can be used to monitor diseases if the surveys are consistent and repeated periodically. The surveys are population-based; that is, they select a random sample of household’s representative of the whole population. 3) Laboratory-based surveillance is used to detect and monitor infectious diseases. 4) Integrated disease surveillance and response (IDSR) strategies bring together data from health facilities and laboratories. It is a critical tool to prevent outbreaks of diseases and develop appropriate, rapid responses when diseases begin to spread.
Category: Surveillance

3 days of typhoid in Vietnam
On March 28th ended the 11th International Conference on Typhoid and Other Invasive Salmonelloses. Thanks to the Coalition against Typhoid group for arranging such a wonderful event where enthusiastic researchers from across the globe shared their stories, opinions, and findings …

Bangladesh leads the world one step closer to understanding causes of deaths in newborns
It is estimated that even today >500,000 deaths in newborns occur every year due to serious infections. However, little is known about what microorganisms cause these infections, which makes it difficult, if not impossible, to save lives through informed-treatment or …
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Excellence of CHRF Laboratories: External Quality Assessment
The World Health Organization has been diligently promoting quality of health care at all levels. In 2008, the WHO with its 36 member states formed a global network to conduct surveillance for invasive bacterial vaccine-preventable diseases (IB-VPD) in sentinel hospitals. …
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A low cost approach to track typhoid, an increasingly important disease
Typhoid is the most common infection in children in Bangladesh. If the trend of rising antibiotic resistance is not interrupted soon, mortality rates can shoot up. In this article, published in PLoS Neglected Tropical Diseases, Senjuti Saha of CHRF and …
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Surveillance for Enteric-Fever in Asia Project (SEAP): Phase II
SEPA: Funded by Sabin Vaccine Institute (BMGF Grant) Objective: This prospective study aims to generate comprehensive data on burden of typhoid and para-typhoid fever in Bangladesh, using the established network of sentinel and population based sites. The project also has a …
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Data management of Multi of Surveillance for Enteric-Fever in Asia Project (SEAP), Bangladesh, Nepal and Pakistan
SEPA: Funded by Sabin Vaccine Institute (BMGF Grant) Objective: This project will support in managing the data generated by SEAP projects in Bangladesh, Nepal and Pakistan. Summary: The Child Health Research Foundation (CHRF) with support from ICDDR,B will serve as the …