This year, during World Immunization Week, the World Health Organization launched the world’s first malaria vaccine. Scientists are also testing a vaccine for HIV, and they are working on vaccines against cancer. VOA’s Carol Pearson has more.
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This year, during World Immunization Week, the World Health Organization launched the world’s first malaria vaccine. Scientists are also testing a vaccine for HIV, and they are working on vaccines against cancer. VOA’s Carol Pearson has more.
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