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Smallpox has been eradicated from the face of the Earth following a highly effective, worldwide vaccination campaign. Paralytic poliomyelitis is no longer a problem in the U.S. because of development and use of effective vaccines against the poliovirus. In current times, millions of lives have been saved because of rapid deployment of effective vaccines against […]
Despite the rapid scale-up of antiretroviral therapy (ART) since 2000, HIV/AIDS is still the most common cause of death in sub-Saharan Africa, according to data from the Global Burden of Disease. A new scientific paper reveals striking variation in HIV prevalence at provincial and district levels. The paper, published in Nature, provides precise geographic estimates […]