Comments on: Pfizer COVID-19 vaccine effectiveness fell quickly for kids during Omicron surge, but still offered some protection against severe disease https://www.newswatchplus.ph/2022/03/01/pfizer-covid-19-vaccine-effectiveness-fell-quickly-for-kids-during-omicron-surge-but-still-offered-some-protection-against-severe-disease/ Fri, 05 Jul 2024 12:56:40 +0000 hourly 1 https://wordpress.org/?v=6.8.3