Epidemiology

RETROSPECT

The past dangers of receiving blood

Until early 20th century discoveries, transfusions depended essentially on luck

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VIROLOGY

Study identifies how the Chikungunya virus causes death

Infectious agent causes dysregulated metabolism and inflammation in multiple organs, including the brain

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EPIDEMIOLOGY

Children one centimeter taller and a few grams heavier

One in 10 children aged three and over is overweight

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Interview

2024 could become the year with the highest number of dengue cases

FAMERP virologist Maurício Nogueira discusses the characteristics of the current epidemic and the need for the health system to prepare for more patients

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Epidemiology

Thousands of dead pups

Outbreak of the H5N1 avian flu virus devastates southern elephant seal populations

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Epidemiology

Around 400,000 people died due to cardiovascular problems in Brazil in 2022

Heart attacks and different types of strokes accounted for 76% of cases

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Rehabilitation

Early surgery to correct opening in the roof of the mouth reduces speech problems

Treatment also made it easier for patients to pronounce their first simple syllables

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Epidemiology

Suicide rate among indigenous people almost three times higher than the general population

Suicide rate among Indigenous people is three times higher than in the general population

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Genetics

Chikungunya virus caused seven outbreaks in Brazil in 10 years

The agent that causes the disease has already been identified in 60% of municipalities

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RETROSPECT

An ongoing epidemic

Identified 40 years ago, HIV has changed the way we look at infectious diseases

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GENETICS

Avian flu virus spreading across Brazil came from the coast of Chile or Peru

Pathogen obtained from a dead bird in Espírito Santo is genetically similar to the one circulating in the two neighboring South American countries

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BIOLOGY

Yellow fever virus has been circulating uninterrupted in southern Brazil for seven years

The disease vector arrived in the country’s southeast two to three years earlier than previously thought

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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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RESEARCH ITINERARIES

Damage inventory

How Francisco Inácio Bastos transitioned from psychiatry to epidemiology to broaden his understanding of drug use in Brazil

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INTERVIEW

Elisabete Weiderpass: Waiting for a tsunami

Director of the WHO’s International Agency for Research on Cancer warns of an expected increase in cases in the coming decades

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EPIDEMIOLOGY

Brazilian spotted fever not a threat

Combating the tick-borne disease requires an understanding of its underlying ecology and effective clinical diagnostics

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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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Acknowledgment

Victora receives Admiral Álvaro Alberto Award

Epidemiologist Cesar Victora wins the Admiral Álvaro Alberto Award

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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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COVID-19

Nearly 60,000 people in China died of COVID-19 in one month

After weeks of no information, the Asian giant released more plausible data in January on the total number of deaths caused by the current outbreak

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Health

Unique genetic varieties of malaria-carrying parasite in Brazil

Brazilian varieties of Plasmodium vivax are distinct from each other and from those found in other countries

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COVID-19

Strains of the Omicron variant lead to dramatic rise in COVID-19 cases at the end of 2022

Average weekly number of new infections increased 12-fold between November and mid-December, with 4.6 times as many deaths

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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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EPIDEMIOLOGY

Deaths from breast and cervical cancer on the rise in the state of São Paulo

Numbers began to increase in 2016 after more than a decade of decline

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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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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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Public health

Neglected viruses

Inattention to outbreaks in Africa and the end of smallpox vaccination are facilitating the spread of monkeypox, which recently arrived in Brazil

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HISTORY

Possible origin of the Black Death

Black Death may have originated in the region of Eurasia that is now Kyrgyzstan, west of China

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Health

Fewer cases of malaria during pregnancy

Cases of gestational malaria have decreased in Brazil over the last decade

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HEALTH

Mysterious childhood hepatitis

A new disease of unknown causes has already caused outbreaks in more than 20 countries, including Brazil

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