Health
WHO officials try to figure out why delta is so much more dangerous than earlier Covid strains
Pfizer’s CEO says COVID vaccine effectiveness drops to 84% after six months
U.S. to ship 4 mln COVID-19 vaccine doses to Nigeria, 5.66 mln to South Africa
Delta variant is one of the most infectious respiratory diseases known, CDC director says
Africa demands local production of COVID vaccines
Africa to start receiving 400 mln J&J COVID-19 vaccine doses next week
Pfizer/BioNTech strike South Africa COVID-19 manufacturing deal with Biovac
WHO chief warns that the world is going into the ‘early stages of another wave’
African countries to receive first U.S. donated COVID-19 vaccines in days – Gavi
Long COVID? Soon there could be a test to show if you have it
Most fully vaccinated people who get COVID delta infections are asymptomatic, WHO says
Here’s what you need to know about the lambda COVID variant
COVAX aims to deliver 520 mln vaccine doses to Africa this year