Elon Musk, head of the US government's Department of Efficiency, has accused the US Agency for International Development (USAID) of funding the development of biological weapons. "Did you know that USAID used your tax dollars to fund the development of biological weapons, including novel coronavirus, that killed millions of people," he wrote on social platform X. Musk previously said he considered USAID a "damn" criminal organization. The Associated Press quoted sources as saying that the US...