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Articles sur Viruses

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Vaccination has saved millions of lives throughout the course of history. Phynart Studio/E+ from Getty Images

Millions are rejecting one of humanity’s best weapons for saving lives: Vaccines

Vaccines have successfully curtailed viral diseases for decades. But as COVID-19 vaccination hesitancy shows, mistrust and misinformation continue to put lives at risk.
A security guard leads reporters away from the Wuhan Institute of Virology after a WHO team arrived for a field visit in Wuhan, Hubei province of China, Feb. 3, 2021. The team came to no conclusions about the origins of the pandemic. (AP Photo/Ng Han Guan)

Origins of SARS-CoV-2: Why the lab-leak idea is being considered again

Gain-of-function studies make a natural virus more dangerous or transmissible to humans. Could the Wuhan Institute of Virology be the source of SARS-CoV-2?
Eating less animal proteins may help reduce the risk of future zoonotic viruses. (AP Photo/Seth Perlman)

How plant-based diets could help prevent the next COVID-19

Pandemic viruses arise from raising, harvesting and eating animals. Policy strategy for averting the next pandemic should include supporting those already seeking to make plant-based dietary changes.
A doctor shows an empty vial of the experimental Soberana 02 vaccine for COVID-19 being developed at the Molecular Immunity Center during a media tour of the facility’s vaccine production in Havana on Feb. 25, 2021. (AP Photo/Ramon Espinosa)

The scene from Cuba: How it’s getting so much right on COVID-19

Cuba's access to internationally produced vaccines was nearly impossible due to the U.S. blockade. Its decision to make its own vaccines stands to pay off handsomely.
Bacteriophage (yellow) are viruses that infect and destroy bacteria (blue). Christoph Burgstedt/Science Photo Library,Getty Images

Engineered viruses can fight the rise of antibiotic-resistant bacteria

As the world has focused on the COVID-19 pandemic, other microbial foes are waging war on humans. Antibiotic-resistant bacteria pose a growing threat. But viruses may defeat them.
For many, distinguishing between fact and fiction is difficult. Olemedia/E+ via Getty Images

6 important truths about COVID-19 vaccines

With the vaccines now being administered at sites around the US, it is important to address misinformation surrounding the effort.
Fatigue, brain fog, breathing problems and many other COVID-19 symptoms can persist for months. Kyle Sparks via Getty Images

How many people get ‘long COVID’ – and who is most at risk?

'Long COVID' – in which people have symptoms lasting more than a few weeks – is turning out to be very common. People hospitalized for COVID-19 are at highest risk, but they aren't alone.
Study shows that the Novavax vaccine is effective against the dominant variant of COVID-19 in South Africa. Jakub Porzycki/NurPhoto via Getty Images

Results from Novavax vaccine trials in the UK and South Africa differ: why, and does it matter?

The results indicate that the vaccine efficacy in the UK was 89% for individuals who received at least two doses of vaccine. In South Africa, the vaccine efficacy was 60% in people without HIV.
Albanian health department workers, wearing protective suits, collect chickens, in the village of Peze Helmes some 20 km from the capital Tirana, 23 March 2006, after the second case of H5N1 bird flu was discovered in Albania. Gent Shkullaku / AFP

The keys to preventing future pandemics

Ever since the 2001 SARS outbreak and H5N1 avian flu in 2003, we’ve developed tools to monitor diseases that transmitted from animals to humans. But what does a large-scale roll-out entail?

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