Researchers found that right after the third shot of the Pfizer vaccine, protection against a symptomatic infection is pretty good. Two weeks after the shot, the booster cuts the risk by about 70%.
"University of Toronto"
A dark view of geopolitics in the Arctic
World leaders, including Russia’s Vladimir Putin, have talked of the Arctic as a zone of peace and co-operation. But continued tranquility is just one forecast for the region.