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Artículos sobre COVID-19

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Researchers are working to develop vaccines that provide long-term immune protection from COVID-19. Marko Geber/Digital Vision via Getty Images

How long does protective immunity against COVID-19 last after infection or vaccination? Two immunologists explain

Because COVID-19 is a relatively new virus, researchers still aren’t sure exactly how long vaccines and prior infections provide protection.
Pet ownership can often enhance feelings of trust among strangers. FOTOGRAFIA INC./Collections E+ via Getty Images

How the presence of pets builds trust among people

The presence of pets makes people seem more trustworthy, research has found. People are more likely to help a stranger with a dog or another pet than a person without one.
Vaccination has allowed people to be more social again with much less risk of serious illness, but less cautious behaviors put people at an increased risk of catching the virus. Sabrina Bracher / iStock via Getty Images Plus

If I am vaccinated and get COVID-19, what are my chances of dying? The answer is surprisingly hard to find

Calculating your risk of death or hospitalization if you are infected with the coronavirus requires good data – notably, the total number of infections in the US. Unfortunately, that data is fuzzy.
A group of Syrian refugees, now new Canadians, take part in a virtual citizenship ceremony in December 2020. THE CANADIAN PRESS/Giordano Ciampini

‘I am back to square one’: How COVID-19 impacted recently resettled Yazidi and Syrian refugees

We must meaningfully include newcomers and refugees in the formulation of policies that address structural constraints that affect them during times of crisis.

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