Comments on: Antibodies from Sinovac’s COVID-19 shot fade after about 6 months, booster helps–study /1465348/antibodies-from-sinovacs-covid-19-shot-fade-after-about-6-months-booster-helps-study Latest Philippine ΊΪΑΟΙη for Filipinos Tue, 27 Jul 2021 17:02:12 +0800 hourly 1 https://wordpress.org/?v=6.5.5