Immunology
PHARMACOLOGY
A potential vaccine against cocaine abuse
Vaccine stimulates the production of antibodies against cocaine in animal experiments
By Suzel Tunes
Public health
The high economic cost of Zika in Brazil
Families of children diagnosed with Congenital Zika Syndrome—which includes microcephaly—face high medical expenses, partly covered by the government
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
Fewer vaccines for those who want them
In low- and middle-income countries the proportion of people who want to get vaccinated is considerably higher than in richer countries
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
Superior immunity
Studies of blood and tissue samples taken before the COVID-19 pandemic may help explain why the disease is more common and more severe in adults than in children
By Redação
photolab
Lethal networks
Faced with an invasion of viruses or bacteria, human immune system cells sometimes overreact in a process known as NETosis, which has been shown to be more severe when the invader is SARS-CoV-2
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