Coronavirus Update: How severe is Omicron, really?

Here's what the science says. Plus: The link between COVID-19 and Alzheimer's.  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌    ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  

 

COVID-19 AND ALZHEIMER'S VIEW ONLINE

COVID-19 AND ALZHEIMER'S

Coronavirus Update

This week: Comparing Omicron and Delta; daily cases soar to new highs; how studying COVID-19 could help Alzheimer's patients.

PHOTOGRAPH BY ARTUR WIDAK, NURPHOTO VIA GETTY IMAGES Is Omicron really less severe than Delta? Here's what the science says. This variant is more transmissible. So how do you protect yourself? And what are the implications for vaccines, masks, hygiene, and social distancing? READ THE STORY RELATED: 9 big questions about Omicron explained +

NG STAFF Omicron continues to drive record surge in cases Hospitalizations and deaths are also up compared with two weeks ago, as Dr. Anthony Fauci says that Omicron "will, ultimately, find just about everybody." SEE THE NUMBERS

What we're reading As Omicron spreads, some experts call for switch to saliva-based tests (New York Times)  ›› How often can you safely reuse your KN95 or N95 mask? (Washington Post)  ››

PHOTOGRAPH BY CHERYLE ST. ONGE Could viruses cause Alzheimer's? COVID-19 brain studies offer new clues. The diseases share some surprising similarities, and experts now think studying COVID-19 patients' brains could lead to better treatments for both conditions. READ MORE RELATED: Can COVID-19 alter your personality? Here's what brain research shows. +

MORE ON YOUR HEALTH

PHOTOGRAPH BY JOEL SARTORE, NAT GEO IMAGE COLLECTION Untangling mysteries of the brain—with the remarkable biology of squid Breakthroughs in editing squid genomes could lead to a more complete understanding of nervous systems in general—and could eventually lead to improved therapies for neurological and genetic disorders in humans. READ MORE

ILLUSTRATION BY BIANCA BAGNARELLI Women's health concerns are dismissed more, studied less SUBSCRIBER EXCLUSIVE DAVID GRAY, BLOOMBERG/GETTY IMAGES Humans have 'stressed out' Earth far longer, than we realized READ MORE

MORE CORONAVIRUS NEWS

9 big questions about Omicron explained COVID-19 variants will keep coming until everyone can access vaccines 5 things to know about COVID-19 tests in the age of Omicron Why new COVID-19 treatments have been so slow to develop COVID-19 is linked to new diabetes cases—but long-term problems could be more severe

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