“To examine whether the live varicella vaccine virus is attenuated, we analyzed varicella vaccine-induced contact cases of clinical chickenpox in healthy siblings of immunized children with leukemia. A rash developed approximately 1 month later in 156 children with leukemia who had been vaccinated. Vaccine-type virus was isolated from 25 of these children.”
Brazil’s Sao Paulo Pushes For Mandatory COVID Vaccinations
In September, Brazil's wealthiest and most populous state Sao Paulo went into contract with Chinese vaccine developer Sinovac Biotech, with the expectations to receive 46 million doses of CoronaVac. CoronaVac has been in Phase 3 testing in the South American country...
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