The “cold chain” is the name given to a system of people and equipment which ensures that the correct quantity of potent vaccine reaches the women and children who need it from the point of production. The cold chain system is necessary because vaccines are delicate substances that lose potency if they are exposed to temperatures that are too warm or too cold. High levels of immunization coverage are useless if the vaccine that was used is not potent!
Routine H399 (Weekly Return of Communicable Diseases) based disease surveillance system has been the driving hub for Sri Lankan...
A report has been received on 22nd March 2011 by the Epidemiology Unit of the Ministry of Health from the Regional Epidemiologist...
Let Sleeping Demons Sleep
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