Workers prepare to test blood samples from people with fever and rash – the markets for both measles and rubella – at the Laos National Center for Laboratory and Epidemiology in Laos' capital Vientiane, November 2011. The Laos Ministry of Health is working to improve surveillance for rubella so that cases can be laboratory confirmed. The blood samples are sent from the field for testing.
CREDIT: The Measles Initiative/C. McNab/2011
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