Keyword: Virology

Infectious diseases

Antibody neutralizes Zika in preclinical trials

A superpotent immunoglobulin M antibody stopped the virus in animal tests

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Health

The spread of monkeypox

Cases worldwide increased 20% in one week; Brazil is the country with the third-highest number of infections

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MEDICINE

The resurgence of the Sabiá virus

Two new cases of Brazilian hemorrhagic fever, caused by the Sabiá virus, have been identified

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Public health

Number of unvaccinated children rises

Brazil was one of the countries most affected by falling childhood vaccination in 2021

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COVID-19

Brazilian networks keep a close eye on coronavirus variants

SARS-CoV-2 genomic surveillance in the country backed by funding from British government program

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MEDICINE

Children with Congenital Zika Syndrome suffer developmental delays in motor, cognitive, and language skills

Neurological damage caused by the virus impairs the ability to move, learn, and talk

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COVID-19

Anti-coronavirus semiconductors

Nanotechnological materials emerge as promising alternatives in the battle against SARS-CoV-2 and future pandemics

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INTERVIEW

Margareth Dalcolmo: Pandemic scars

The physician-researcher discusses the difficulties faced by health professionals dealing with Covid-19, the dramatic struggles of patients she attended, and the likelihood of an increase in tuberculosis cases in the coming years

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COVID-19

With fewer cases and deaths, the pandemic could be entering a new phase

Incidence of the disease appears to be becoming more predictable

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Public health

Polio returns to Africa

In late March, four African countries announced a mass vaccination campaign against polio

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INFECTIOUS DISEASES

A long-sought cure may be closer

Experimental treatment able to control HIV for six months after stopping antiretrovirals

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Cover

A drop in childhood vaccination

The pandemic has exacerbated a decline in immunization rates, which fell by 65% in some states in 2020

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COVID-19

Another step towards a universal vaccine

Clinical trials begin for broad-spectrum vaccines designed to offer protection against multiple coronaviruses

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COVID-19

Long-term damage to the surroundings

A cellular change induced by SARS-CoV-2 may explain prolonged symptoms of the disease

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COVID-19

The efficiency of masks

Tests reveal how and to what extent different types of masks limit the airborne spread of infectious diseases

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COVID-19

The pandemic accelerates

High transmissibility of the Omicron variant reinforces the importance of vaccinating children, the last age group to be immunized

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COVID-19

The uncertainties of omicron

New SARS-CoV-2 variant is highly transmissible, but for now, there is no evidence that it causes more severe disease or more deaths

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COVID-19

The quest for a Brazilian vaccine

Researchers are testing a range of technologies, but few initiatives will receive the funding needed for costly phase 3 clinical trials

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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

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Covid-19

Preventing new waves without lockdowns

A group of researchers decided to study how the virus could be kept under control without the need for repeated lockdowns

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COVID-19

Study outlines COVID-19’s profile in African countries

Study outlines COVID-19's profile in African countries

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Covid-19

Delta advances

Delta variant threatening control of the COVID-19 pandemic

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Covid-19

Faster COVID-19 Test

Researchers created a portable graphene-based sensor that can detect the novel coronavirus in RNA or saliva samples

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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

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COVID-19

A town turned laboratory

Epidemiological studies, such as the one led in the town of Serrana, São Paulo, should provide valuable information about the pandemic

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COVID-19

The evolution of a virus

Low vaccination rates and lack of control over SARS-CoV-2 circulation is increasing the likelihood that more transmissible and lethal variants will emerge

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COVID-19

Outbreak on ship confirms the main route of contagion

The results of computer simulations of how COVID-19 spread on the Australian cruise ship Princess Diamond have finally been published in a scientific journal.

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COVID-19

The mutation risk

New strains of SARS-Cov-2, such as the one identified in the United Kingdom in December, could make the pathogen more transmissible and virulent

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FIOCRUZ – 120 YEARS

A continuum of challenges

From the bubonic plague to Zika fever, the Oswaldo Cruz Foundation’s 120-year history has been punctuated by a succession of novel diseases and related discoveries

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COVID-19

Restaurants spread infections in the United States

A study suggests that the majority of novel coronavirus infections recorded between March and May this year occured in restaurants in metropolitan areas in the USA

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