Explainer - What is the BA.5 variant and why does it seem to be reinfecting so many people with COVID-19?
BA.5, part of the Omicron family, is the latest coronavirus variant to cause widespread waves of infection globally.
Thu Jul 14 2022
Explainer - Beyond Delta, scientists are watching new coronavirus variants
Scientists remain focused on Delta but are tracking others to see what may one day take its place.
Thu Sep 09 2021
Global COVID-19 cases surpass 200 million as Delta variant spreads
The more-infectious Delta variant threatens areas with low vaccination rates and strains healthcare systems.
Thu Aug 05 2021
Explainer: What do the UK allergic reaction cases mean for Pfizer's COVID-19 vaccine
Two people reported adverse reactions on the first day of the vaccine rollout in the UK. Here's what you need to know.
Thu Dec 10 2020
Vaksin Pfizer tidak akan berada di pasaran dalam masa terdekat, ini sebabnya...
Kapasiti simpanan vaksin Pfizer Inc dan BioNTech SE yang sejuk melampau menjadikan vaksin itu jauh daripada boleh diperolehi seluruh dunia.
Tue Nov 10 2020