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In 2019, 400,000 people around the world died of malaria. But it may never reach that high a number again. Early trials of a new vaccine have been shown to be 77 percent effective. This is not the first vaccine that has attempted to fight the deadly mosquito-transmitted disease. But it is the only one that has had this level of efficacy. This news comes when COVID-19 vaccines dominate the international discussion. Some wealthier nations, most notably the United States, have prioritized vaccinating their own people first. This week, however, the Biden administration did announce it would be sharing its enormous stockpile of Astrazenca doses. Other countries, like China and Russia, have been shipping their vaccines around the world, though some have questioned their efficacy. Many poorer countries have worried that they might wait years for their people to be vaccinated and be left with other countries’ lower-quality leftovers.It also comes as scientists have begun thinking through the ways MRNA technology, whi