Procedures

Delays in vaccination against Covid-19 could lead to more virus variants and impede efforts to end the pandemic

Two tales of the vaccine

Covida Vaccine Failure of Canada – WSJ

The single dose of Pfizer vaccine is 85% effective, the Israeli study shows

Fauci predicts that he will return to normal by Christmas

Behind the launch of failed vaccination in the United States: fragmented communication, poorly assigned supply

These doctors want to choose the Covid-19 vaccine, the reactions for fear and the lowest efficacy

Brazil turns the sleeping city of sugar cane into a global Covid-19 experiment

The UK approves tests that will deliberately infect volunteers with coronavirus

Vaccine delays in risk pandemics for developing nations