Epidemiology

COVID-19

Omicron and children

Hospitalization of children was higher during the Omicron outbreak

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COVID-19

COVID-19 cases on the rise in China

COVID-19 cases on the rise in China

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infectology

Mosquitoes learn to avoid poison

Disease-carrying insects can learn to avoid insecticides after being exposed just once to nonlethal doses

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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

Cross-infection between species

Humans have transmitted SARS-CoV-2 to animals, at least two of which have passed the virus onto other people

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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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Public health

Mosquito net benefits last for decades

Mosquito net benefits last for decades

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Careers

Healthy innovation

Researcher from Minas Gerais recognized for studies on diagnosis and prevention of infectious diseases

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Careers

Medical emergency

Recent studies address the adversities faced by new healthcare professionals during the Covid-19 pandemic

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Ecology

Vaccinating primates against yellow fever

Early trials suggest human vaccines are effective in wild primate species susceptible to the yellow fever virus

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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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PANDEMIC

Death toll underestimated in India

At least 3.2 million Indians have died from COVID-19

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INTERVIEW

Lex Bouter: Towards more responsible science

A Dutch epidemiologist talks about where the debates on research integrity are headed and his expectations for the next international conference on the topic, in May

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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 impact of restrictions on movement

Lockdown delays the peak of contagion and reduces infections of the disease

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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

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ONMC

Scientists renounce national honor

In an open letter, 21 scientists awarded this year’s National Order of Scientific Merit renounced the honor

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Retrospect

The scourge of disease during the Paraguayan War

Most soldiers who fought in the largest armed conflict in South America died of cholera and other infectious diseases, rather than in battle

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Covid-19

Confidence in vaccines

Vaccination rate in Brazil greater than in developed countries

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COVID-19

Vaccination in decline

The COVID-19 vaccination pace has been decreasing worldwide

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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

The protective effect of masks

Widespread and proper use of masks reduces transmission of the novel coronavirus and COVID-19 cases, according to the largest study ever conducted on the subject

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Covid-19

Delta advances

Delta variant threatening control of the COVID-19 pandemic

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Covid-19

Mobile lab sequences variants

In early August, Aparecida, a municipality in São Paulo with about 40,000 residents, was the first to welcome the Butantan Institute’s mobile laboratory, designed to test suspected COVID-19 cases

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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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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

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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

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COVID-19

Warning from the deep

Monitoring the novel coronavirus in sewage systems improves epidemiological surveillance in Brazilian cities

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