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Artículos sobre COVID-19

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Carter Giglio, 8, joined by service dog Barney of Hero Dogs, shows off the bandage over his injection site after being vaccinated at Children’s National Hospital in Washington. (AP Photo/Carolyn Kaster)

I’m an infectious disease doctor. Yes, I’m vaccinating our 5-year-old against COVID-19. Here is why you should too.

An infectious diseases doctor reviews the evidence, discusses hesitancy and concerns about side-effects and explains the overwhelming case for vaccinating five-to-11-year-olds, including his own son.
The best way to stop a contagious virus like COVID-19 is through a worldwide vaccination program. Patrick T. Fallon/AFP via Getty Images

Is COVID-19 here to stay? A team of biologists explains what it means for a virus to become endemic

Some viruses go extinct, while others stick around. The virus that causes COVID-19 seems likely to remain with us for the long term.
In reprioritizing public health, the U.S. limited its ability to respond quickly and effectively to the pandemic. Anton Petrus/Moment via Getty Images

The US was not prepared for a pandemic – free market capitalism and government deregulation may be to blame

While neoliberalism has allowed U.S. markets to grow, the resultant stunted public health system left Americans to figure out how to protect themselves from COVID-19 and its fallout on their own.
A homeless man sits with his dog as people walk past in Toronto in January 2021. THE CANADIAN PRESS/Nathan Denette

What if we treat homelessness like a pandemic?

This approach would cause an outcry, but when it comes to homelessness, addressing only the symptoms has been the norm.
Shuttestock

Global emissions almost back to pre-pandemic levels after unprecedented drop in 2020, new analysis shows

Most concerning is the long-term upward trends of CO₂ emissions form burning fossil fuels, which are far from trending towards net-zero by 2050.
Disturbing the habitats of horseshoe bats, like these in Borneo, increases the risk of virus spillover. Mike Prince/Flickr

Preventing future pandemics starts with recognizing links between human and animal health

How can nations prevent more pandemics like COVID-19? One priority is reducing the risk of diseases’ jumping from animals to humans. And that means understanding how human actions fuel that risk.
Experts estimate that close to 90% of the U.S. population must be vaccinated to reach herd immunity for COVID-19. David McNew/AFP via Getty Images

What is herd immunity? A public health expert and a medical laboratory scientist explain

Vaccination campaigns like the ones that eventually eliminated polio and measles in the United States required decades of education and awareness in order to achieve herd immunity in the U.S. population.

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