Initial booster doses will go to those with weakened immune systems or deemed to be at high risk.
South Korea starts first vaccinations for senior citizensSEOUL - South Korea plans to begin giving out COVID-19 booster shots from October, joining several countries that have approved such doses amid resurgent infections and concern that vaccine protection wanes over time.
Others will receive them six months after full vaccination, the Korea Disease Control and Prevention Agency said. Although the World Health Organization has repeatedly urged a delay in booster doses, arguing that the world's most vulnerable people should be fully vaccinated first, several countries have approved them, citing data on waning protection.
Evidence is growing that protection from COVID-19 vaccines ebbs after six months or more, especially in older people with underlying health conditions.
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