Foreign rivals are developing nasal vaccines that could stop Covid transmission and a U.S. company invented the nasal vaccine that an Indian drugmaker licensed. But in the United States, Congress can’t agree on how to pay for additional money to fund next-generation Covid vaccines. Carmen Paun about her reporting with Megan Messerly. Plus, Dr. David Curiel on developing the nasal Covid-19 vaccine that Indian drugmaker Bharat Biotech has licensed.

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