Vắc-xin Pfizer/Biontech Covid-19 cho trẻ em dưới 5 tuổi không đủ hiệu quả #Pfizer #BionTech #covid-19 #vaccine #Children #5yearsold #IMMunereAction #clinicaltrial ======================================= Pfizer/BioNTech COVID-19 vaccine for children under 5 years old is not effective enough #Pfizer #BioNTech #COVID-19 #vaccine #children #5yearsold #immunereaction #clinicaltrial Chi tiết tại: https://tricksmmo.com/threads/vacci...ch-o-nhom-tre-em-tu-2-den-duoi-5-tuoi.118213/