
ما لا يقل عن مليوني طفل فقدوا أحد الأبوين أو الجدين القائمَيْن على رعايتهم بسبب جائحة كورونا
تلك تقديرات الحدود الدنيا.. أما الأعداد الحقيقية فقد تفوق ذلك بكثير...

تلك تقديرات الحدود الدنيا.. أما الأعداد الحقيقية فقد تفوق ذلك بكثير...

Clear legal pathways exist to move the U.S. closer to herd immunity

The Republican went to Blytheville, Texarkana and other municipalities in the state to allay people’s fears

Getting flu again postinoculation is more common than a return case after a COVID shot

Thanks to a response based on local culture and values, India’s Nicobar islanders haven’t had a single infection during the nation’s horrific second wave

Today we bring you a new episode in our podcast series COVID, Quickly. Every two weeks, Scientific American ’s senior health editors Tanya Lewis and Josh Fischman catch you up on the essential developments in the pandemic: from vaccines to new variants and everything in between.You can listen to all past episodes here...

Mutations that make a virus more transmissible are only part of the equation

The vaccines not only prevent people from getting sick; they also cut down on transmission by those who get infected after immunization

The U.S.’s top infectious disease specialist describes a new Biden administration program to develop and test antivirals—and what he’s most worried about as the nation reopens...

Viral load is roughly 1,000 times higher in people infected with the Delta variant than those infected with the original coronavirus strain, according to a study in China

With vaccination campaigns underway in some countries while others weigh the options, Nature looks at the evidence for vaccinating younger people

That’s at a minimum. The real number could be significantly higher

New unpublished studies show that dogs and cats with COVID-positive owners frequently have SARS-CoV-2 antibodies

Today we bring you a new episode in our podcast series: COVID, Quickly. Every two weeks, Scientific American ’s senior health editors Tanya Lewis and Josh Fischman catch you up on the essential developments in the pandemic: from vaccines to new variants and everything in between.You can listen to all past episodes here...

Children can suffer lingering symptoms from the disease, but researchers are still working to determine how frequently and how severely

Developing pills that block the novel coronavirus has been challenging. A new Biden administration program aims to boost the effort

Workers are anxious because the coronavirus is still infecting people. Here are ways to evaluate the safety of a shared work space

Current prevention measures may not be enough to prevent an outbreak

Studies suggest mixing vaccines provokes potent immune responses, but scientists want answers on real-world efficacy and rare side effects

In both cases, harm reduction is a better strategy than draconian rules that feel virtuous but don’t actually work
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