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Articles sur COVID-19

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Human, animal and environmental health are interconnected. Tambako the Jaguar/Moment via Getty Images

Humans infecting animals infecting humans − from COVID-19 to bird flu, preventing pandemics requires protecting all species

Infectious diseases can spill over from animals to humans as well as spill back. Each cross-species transmission gives pathogens a chance to evolve and spread even further.
Noah Lyles, of the United States, lies on the track after competing in the men’s 200-metre final at the 2024 Summer Olympics on Aug. 8, 2024, in Saint-Denis, France. Lyles said he tested positive for COVID two days before he finished third in the 200-metre final. (AP Photo/Petr David Josek)

Why has COVID been so much worse this summer? The health belief model has the answer

Summer 2024 saw a big surge of COVID-19 cases. While COVID-19 is not the emergency it once was, it’s still a health threat, and we’d be wise to reduce our risk of getting it.
Although H5N1 typically infects wild birds, the virus has spilled over into domesticated animal populations, like dairy cows. Peter Cade/Stone via Getty Images

Avian flu has infected dairy cows in more than a dozen states – a microbiologist explains how the virus is spreading

The H5N1 virus has infected about 900 people since 2003, and more than half of them died. But so far there is no evidence of human-to-human transmission.
If current trends continue, the U.S. could see a drastic shortage of health care workers over the next decade. LaylaBird/E+ via Getty Images

Creative arts therapy programs can help health care workers dance, write and draw their way through burnout and on-the-job stress

Long before the pandemic, health care workers were experiencing high levels of stress, burnout and compassion fatigue, all of which contribute to reduced quality of care for patients.
Ohio educators are encouraged to take a positive approach to school discipline. Maskot / Getty Images

How Ohio schools reduced chronic absenteeism

An Ohio law targeting student suspensions had a happy side effect. Requiring schools to use a positive approach to discipline reduced chronic absenteeism, study says.
Italy was one of the countries that experienced a notable rebound in fuel consumption after restrictions were lifted. Shutterstock

Fewer car journeys and more flights: how Covid-19 has changed the way we travel

Europeans who experienced more relaxed Covid-19 policies tended to travel less and adopt more sustainable habits, while those suffering from strict lockdowns were keen to get away.
During the pandemic, timely and accurate data on COVID-19 infectivity rates among different ethnic and racialized groups were insufficient. THE CANADIAN PRESS/Chris Young

Ethnicity, race and health equity: 3 lessons from the COVID-19 pandemic

The COVID-19 pandemic showed that a one-size-fits-all approach is inadequate for addressing health inequities. A targeted, community-informed strategy is essential to improve public health responses.

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