National Geographic | CORONAVIRUS UPDATE

National Geographic

Coronavirus Update

This week: Cognitive impairments in people who've had COVID; an "alarming" new study on Delta in vaccinated people; the states hitting all-time highs for new infections; an experimental vaccine rolls out for zoo animals.

PHOTOGRAPH BY SIEGFRIED MODOLA, GETTY IMAGES

How does COVID-19 affect the brain? A troubling picture emerges.

Researchers find that people who only suffered mild infections can be plagued with life-altering and sometimes debilitating cognitive deficits.

PHOTOGRAPH BY SAUL MARTINEZ, BLOOMBERG VIA GETTY

An 'alarming' new finding: Vaccinated people can spread Delta easily

A new study finds that this dominant variant can grow in the noses of vaccinated people as strongly as in unvaccinated people. That means people with breakthrough infections—many of whom do not develop symptoms—can unknowingly spread the virus.

RELATED: Severe breakthrough infections remain very rare, despite rising concerns +

NG STAFF

Delta is felling the unvaccinated as summer comes to a close

This week Alaska, Alabama, Georgia, Kentucky, Louisiana, and Oregon hit all-time highs for daily new cases since the pandemic began. And other states are close to passing their January peaks.

PHOTOGRAPH BY BEN MARGOT, AP

Zoo animals are getting an experimental vaccine. Here's why your pets aren't.

Since early in the pandemic, zoo animals from tigers to lions to gorillas have contracted the virus. The experimental vaccine they're being given works similarly to the Novavax vaccine for humans, which is currently in large-scale efficacy tests.

What we're reading

The free and effective COVID-19 therapy that few people are getting (Washington Post) ››

Delta has changed the pandemic risk calculus (The Atlantic) ››

PHOTOGRAPH BY BRANDON BELL, GETTY IMAGES

The U.S. plans to authorize boosters—but many already got a third dose

Here's what we know about waning immunity and the science supporting the booster shot.

PHOTOGRAPH COURTESY OF CONTIVIR

The world needs more vaccines, faster. A tiny tube could make all the difference.

Vaccines are made in batches, but some researchers want to overhaul that system to make the manufacturing continuous, efficient, and democratic.

MORE ON YOUR HEALTH

PHOTOGRAPH COURTESY WORCESTER POLYTECHNIC INSTITUTE

A spinach leaf was transformed into beating human heart tissue

PHOTOGRAPH BY DANIEL ACKER, BLOOMBERG/GETTY IMAGES

Toxic 'forever chemicals' more common in tap water than thought

VW PICS, UNIVERSAL IMAGES GROUP/GETTY IMAGES

Why 'star walking' is the outdoor activity we need right now

PHOTOGRAPH BY JOEL SARTORE, NATIONAL GEOGRAPHIC PHOTO ARK

Could this blind cave fish hold the key to treating diabetes?

MORE CORONAVIRUS NEWS

Why kids are still waiting for their COVID-19 vaccines

Why is Delta more infectious and deadly? New research holds answers.

How will the pandemic end? The science of past outbreaks offers clues.

Delta variant prompts venues to rethink how we stand in line

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