Brazil sees one-dose, unfrozen vaccine as ideal for COVID-19, official says

BRASILIA (Reuters) - A senior Brazilian Health Ministry official said on Tuesday that the ideal vaccine to immunize the country against COVID-19 would be one that could be stored at temperatures of a regular refrigerator and does not require multiple doses.

“Ideally it would be made in a single dose,” said Health Surveillance Secretary Arnaldo Medeiros, although he recognized that was probably not possible.

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