The federal government is cutting $500 million in research money for development of mRNA vaccines, which were widely used against the COVID-19 virus. Health Secretary Robert F. Kennedy Jr. said in a ...

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We asked experts about how the technology works, its safety and its potential in medicine. By Nina Agrawal Health Secretary Robert F. Kennedy Jr. has repeatedly questioned the safety of mRNA vaccines ...

WASHINGTON - So-called mRNA vaccines saved millions of lives during the COVID-19 pandemic - and now scientists are using that Nobel Prize-winning technology to try to develop vaccines and treatments ...