SurveillanceSurveillance in general may be defined as: Continuous analysis, interpretation and feedback of systematically collected data, generally using methods distinguished by their practicability, uniformity and rapidity.
 It may be active or passive, and although case based in a given population, many systems, especially those doing surveillance for communicable diseases, rely on laboratory confirmation as this improves specificity of case definition. This is the system adopted by the National Institute for Communicable Diseases (NICD).

Influenza Surveillance

The NICD compiles weekly consolidated influenza surveillance reports - data may be freely reproduced provided due acknowledgement is given to the

Measles Surveillance



 GERMS-SA comprises of a nationwide network of clinical microbiology laboratories participation in an active laboratory-based surveillance programme for bacterial and fungal pathogens of public health importance.


Rotavirus Surveillance

The Rotavirus report comprises the number of samples which tested for rotavirus and the detected rate-also the cumulative number
 of specimens which tested rotavirus  positive. Please note the data on rotavirus is preliminary