Keyword: Vaccine
Public health

Number of unvaccinated children rises
Brazil was one of the countries most affected by falling childhood vaccination in 2021
By Redação
Health

Nasal COVID-19 vaccine
Research into intranasal vaccines against Covid-19 is advancing
By Redação
COVID-19

Third dose lowers risk of death
Coronavirus vaccine booster doses significantly reduce the risk of death from COVID-19
By Redação
Covid-19

Vaccines generate more consistent immune response
The immune response to the novel coronavirus provided by vaccines is more consistent than that triggered by natural infection with SARS-CoV-2
By Redação
COVID-19

Two vaccines safe for children
The CoronaVac vaccine, produced in Brazil by the Butantan Institute, is safe for children and adolescents, with no major side effects
By Redação
HEALTH

Pioneering immunization
Malaria vaccine recommended for children in Africa by the WHO is the first to protect humans from a parasite
By Tiago Jokura
COVID-19

Vaccination in decline
The COVID-19 vaccination pace has been decreasing worldwide
By Redação
COVID-19

Still too soon for booster doses
An international group of scientists argued against the idea of giving the majority of the population COVID-19 vaccine booster doses
By Redação
Covid-19

Vaccinated people can contract and transmit SARS-CoV-2
Even people who have already been immunized can be infected with the novel coronavirus and transmit it to others
By Redação
COVID-19
Two vaccines prevent infection by Sars-CoV-2
Pfizer-BioNTech and Moderna vaccines are 80% effective at preventing SARS-Cov-2 infections after the first dose and 90% after the second
By Redação
COVID-19

New vaccines on the way
Butantan Institute and federal government plan to start human trials of two vaccine candidates in the coming months
By Marcos Pivetta and Ricardo Zorzetto