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Artículos sobre COVID-19

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International efforts should prioritise equitable access to vaccines. Immanuel A.Afolabi/Majority World/Universal Images Group via Getty Images

The impact of COVID-19 has been lower in Africa. We explore the reasons

The emergence of variants of concern with increased potential for transmission and more severe disease in the younger population could make Africa more susceptible to a severe COVID-19 epidemic.
When the messenger is distrusted, adherence to public health advice fails. Anti-mask protesters hold signs during a demonstration against measures taken by public health authorities to curb the spread of COVID-19 in St. Thomas, Ont., in November 2020. THE CANADIAN PRESS/Geoff Robins

Public health campaigns can be ruined by the personal conduct of politicians

When politicians disregard public health directives, new research shows it causes the public to distrust governments’ handling of crises like the COVID-19 pandemic.
Unmanaged needle fear is very distressing for those affected and can influence health-care choices. Science-backed methods can help people manage their phobia and get vaccinated. (Shutterstock)

Needle fears can cause COVID-19 vaccine hesitancy, but these strategies can manage pain and fear

For the one in 10 people with a significant fear of needles, getting a vaccination is distressing. This can disrupt vaccination campaigns, but there are effective ways to manage pain and fear.
A man reacts as he gets a shot of the one-dose Sputnik Light vaccine at a mobile vaccination station in St. Petersburg, Russia. (AP Photo/Elena Ignatyeva)

Making sense of COVID-19 vaccine hesitancy in Russia: Lessons from the past and present

Coverage of Russian vaccination rollout has focused largely on concerns about ethics of development and inconsistent messaging. But Russian-language research complicates this picture.
Pre-pandemic research about courses offered online and in-person found students took online courses selectively and strategically. (Shutterstock)

Do university students want more online learning, post-pandemic? Here’s what some chose before COVID-19

Some promoters of educational technology see COVID-19 as a ‘tech reckoning’ for professors who refused to accept progress. But before the pandemic, many students also preferred in-person classes.

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