WHO criteria for safety and efficacy met   (Eagle News) — The World Health Organization (WHO) has given emergency validation to the Pfizer/BioNTech mRNA vaccine, the first vaccine against COVID-19 to receive such a validation from WHO since the pandemic. This was after WHO listed the Comirnaty COVID-19 mRNA vaccine for emergency use. The Comirnaty vaccine requires storage using an ultra-cold chain and needs to be stored at -60°C to -90°C degrees, makes the deployment […]