Keyword: Virology

EPIDEMIOLOGY

Falls in uptake of the MMR vaccine occurred at different rates between 2006 and 2020

The declines were greater in poorer municipalities and more intense during the economic crisis and the beginning of the COVID-19 pandemic

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VIROLOGY

Mayaro virus causes swelling of the skin, muscles, and joints

In tests on rodents, the pathogen multiplied quickly and affected other organs

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INTELLECTUAL PROPERTY

Obstacles to innovation

Knowledge about Zika and Chikungunya resulted in several patents, but few products within public reach

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COVID-19

Setbacks in coronavirus drug development

Health agencies are suspending the use of drugs that have lost efficacy against circulating variants of SARS-CoV-2

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Biology

Giant viruses released from thawing ground

Viruses come back to life after lying dormant in the icy ground for millennia

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Immunology

Antibodies defeat yellow fever in animals

Rodents and monkeys given an infusion of the compounds were able to survive infection

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Microbiology

Viruses that infect insects increase the ability of Aedes aegypti to transmit diseases to humans

Mosquitoes infected with both PCLV and HTV are three times more likely to carry the dengue virus

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Oncology

Vaccine candidate designed to treat cancer caused by HPV

In experiments on rodents, vaccine formulations eliminated tumors and rid the animals of the disease for a long time

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Epidemiology

Mpox in children may signal infection risk in other population groups

One in every four people infected by Mpox in Sergipe is under 18 years of age

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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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