Tag Archives: immunization campaign

BRASILIA: Brazilian President Jair Bolsonaro has launched an attack on coronavirus vaccines, even suggesting that the one developed by Pfizer-BioNTech could turn people into crocodiles or bearded women. The far-right leader has been skeptical of the coronavirus since it first appeared late last year, calling it “a bit of the …

Although the World Health Organization believes that vaccines are the only possibility to achieve herd immunity, two major clinical trials have been temporarily halted due to unexplained diseases. Mint looks at how long it would take for the immunization campaign to materialize. How do we describe herd immunity? When the …