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World's first inhaled COVID-19 vaccine unveiled in S China
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The world's first inhaled form of COVID-19 vaccine was unveiled at the 5th Hainan International Health Industry Expo 2021 in south China's Haikou City on November 12. The vaccine is inhaled through the mouth into the respiratory tract and lungs to stimulate mucosal immunity that can't be created by intramuscular injections.

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