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It may take several tries to find best COVID-19 vaccine, PAHO director says

BOGOTA, Sept 23 (Reuters) - It may take several tries to find the best vaccine for COVID-19, the Pan American Health Organization’s (PAHO) director Carissa Etienne said on Wednesday, as she urged countries to begin preparing vaccination plans.

Influenza could put additional pressure on health systems around the region, PAHO Assistant Director Jarbas Barbosa said. (Reporting by Julia Symmes Cobb)

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