@theconversation.com 3 years ago New Johnson & Johnson data shows second shot boosts antibodies and protection against COVID-19 – but one dose is still strong against delta variant
@rt.com 4 years ago Pfizer vaccine losing effectiveness amid Delta variant surge, Israeli Health Ministry says as it mulls 3rd shot & new restrictions
@rt.com 4 years ago Taiwan to obtain variant-busting Novavax shots through COVAX global sharing scheme in bid to boost lagging inoculation campaign
@cbsnews.com 4 years ago Booster shots could be needed for people vaccinated against COVID-19