Colombian President Ivan Duque announced that the country will begin the application of a second Covid-19 booster dose to people over 50 years...
Know MoreWith yet another COVID-19 booster available for vulnerable populations in the U.S., many wonder what the end game will...
Know MoreAustralia has set a new record for Covid-19 booster vaccines amid successive record days of surging infections across the country, Prime Minister Scott Morrison said...
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