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Articles

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COVID: did a delayed second dose give the delta variant an evolutionary helping hand?

Viewed from the perspective of evolutionary selection, it seems that the UK government’s decision to lengthen the period between first and second vaccine doses provided delta with an extra window to infect people.

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I'm fully vaccinated – should I keep wearing a mask for my unvaccinated child?

Fully vaccinated adults are celebrating their new freedom and removing their face masks. Yet for parents of children under age 12, the rejoicing might be short-lived.

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How virus detectives trace the origins of an outbreak – and why it's so tricky

Plant, animal or human, the methods are largely the same. Tracking down the origins of a virus involves a combination of extensive fieldwork, thorough lab testing and quite a bit of luck.

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I’m fully vaccinated but feel sick – should I get tested for COVID-19?

If you have symptoms of COVID-19, you should get tested for COVID-19 even if you are fully vaccinated.

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1 in 4 unvaccinated people may not comply with CDC guidelines to wear masks indoors, survey suggests

The CDC’s updated guidelines also ask that unvaccinated or partially vaccinated people continue to wear a mask – even in establishments like bars and restaurants, where doing so may no longer be required.

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With COVID-19 cases surging, Nepal asks global community for urgent vaccine help

Nepal’s Ministry of Health said: “Since coronavirus cases have spiked beyond the capacity of the health system and hospitals have run out of beds, the situation is unmanageable.” The ministry also said it had no more vaccines.

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

Many Canadians are already aware of the benefits of a plant-based diet. Doing a better job at supporting those already trying to make a dietary change could be an effective approach for government policy.

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Can people vaccinated against COVID-19 still spread the coronavirus?

As restrictions are lifted and people start to leave their masks at home, some people worry: Can you catch COVID-19 from someone who’s vaccinated?

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Paying people to get vaccinated might work – but is it ethical?

The push to get as many people vaccinated as possible is laudable and may well work. But leading behavioral scientists are worried that paying people to vaccinate could backfire if it makes people more skeptical of the shots.

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Indians stepping up to try to save lives during COVID-19's catastrophic second wave

Despite declaring victory over COVID-19 in January, Prime Minister Narendra Modi has been on the receiving end of scathing criticism for holding election rallies that allowed thousands to gather and spread the virus.

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COVID vaccine weekly: support builds for patent waiver as shortages threaten to bite

The waiver’s proponents argue, will increase the amount of vaccine doses produced globally.

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Health must be a priority: why the government should learn to value care

The tragedy that is now unfolding in India is not because of the coronavirus; it is because our health system was not prepared.

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