EXPLAINER - Some patients reporting COVID rebounds after taking Pfizer pills
Some patients have reported that COVID-19 symptoms recurred after completing treatment and experiencing improvement.
Thu May 12 2022
Pfizer says third vaccine dose strongly boosts protection against COVID Delta variant
Pfizer data suggest that antibody levels against the Delta variant after receiving a third dose are greater.
Thu Jul 29 2021
COVID-19: Tiada keperluan suntikan ketiga vaksin buat masa ini - FDA, CDC
Bagaimanapun kedua-dua agensi itu berkata pihaknya bersedia meningkatkan dos suntikan sekiranya sains menunjukkan ia diperlukan.
Sat Jul 10 2021
Varian Delta: Pfizer rancang minta kelulusan suntikan dos ketiga vaksin
Terdapat bukti wujud risiko jangkitan semula yang lebih tinggi setelah enam bulan menerima suntikan.
Fri Jul 09 2021