Omicron Is Likely to Weaken COVID Vaccine Protection–but Boosters Could Restore It

The fast-spreading Omicron SARS-CoV-2 variant is highly likely to compromise some of the protection from vaccines, suggest the first laboratory studies of Omicron’s ability to evade immunity. But the preliminary results—released overnight by teams in South Africa, Germany, and Sweden, as well as the Pfizer-BioNtech collaboration—hint that protection conferred by existing COVID-19 vaccines won’t be … Read more

Sputnik V: Why hasn’t the West embraced Russia’s covid-19 vaccine?

Scepticism in Western countries around Russia’s vaccine reflects politics not science – the Sputnik V vaccine has the highest protection against symptomatic disease of any covid-19 vaccine Health 10 December 2021