Costa Rica will offer a fourth dose of the COVID-19 vaccine to those who are immunocompromised and those over 50, the country’s health ministry said. The fourth dose will be optional and may be given three months after the third dose.

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Costa Rica will offer a fourth dose of the COVID-19 vaccine to those who are immunocompromised and those over 50, the country’s health ministry said. The fourth dose will be optional and may be given three months after the third dose.
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