"For those that were originally vaccinated with vaccine A and then receive a vaccine B booster, the results are better than those vaccinated under an 'AA' or 'BB' plan."
— Gao Fu

January 1, 1970

Quote Details

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Added on April 10, 2026
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Virologists from China
Original Language: English

Sources

Gao Fu (2022) cited in "Threat of omicron keeps China walled off, as scientists search for more-effective vaccines" on The Washington Post, 10 January 2022.