Immunizations

Delaying the vaccination of Covid-19 could lead to more virus variants, hampering efforts to end the pandemic

Two stories of the vaccine

Canada Vaccine Failure Failure – WSJ

Only 50 people are known to have contracted COVID-19 more than once – but new strains have medical experts on their guard

Single dose Pfizer vaccine is 85% effective, Israeli study programs

British Prime Minister Boris Johnson announces 100-day goal to develop new vaccines

Behind America’s Knotted Vaccination: Fragmented Communication, Wrong Supply

These doctors want to choose their Covid-19 vaccine, fearful reactions, lower efficacy

Brazil turns a sleepy sugarcane city into a global Covid-19 experiment

UK approves trials that will deliberately infect volunteers with Coronavirus

Vaccines in developing countries’ risk of prolonging pandemic

Israeli data show 94% decrease in symptomatic cases of Covid-19 with Pfizer vaccine