National Geographic | CORONAVIRUS UPDATE

National Geographic

Coronavirus Update

This week: Why you may want to start wearing your mask again; U.S. cases triple; intranasal vaccines may provide better immunity; Canada prepares to welcome some U.S. travelers again; the truth about delayed reactions to vaccines.

PHOTOGRAPH BY BING GUAN, BLOOMBERG, GETTY IMAGES

Scientists urge local mask mandates as Delta sweeps the U.S.

Few places are considering renewals of the policy, but experts suggest it's wise for everyone—including the vaccinated—to wear masks in public indoor spaces.

THE DELTA VARIANT: It's spreading fast, especially where vaccination rates are low +

NG STAFF

New cases in the U.S. have tripled from a month ago

Cases and hospitalizations continue to rise while the vaccination rate has plateaued, prompting one health official to warn that nearly every new COVID-19 death is now a "preventable tragedy."

PHOTOGRAPH BY RJ SANGOSTI, THE DENVER POST, GETTY IMAGES

A spritz instead of a jab? Future COVID-19 vaccines may go up your nose.

Spurred by the pandemic, scientists are studying the benefits of intranasal vaccines and what makes them more potent than shots in the arm.

RELATED: Why booster shots aren't necessary—yet +

What we're reading

Why vaccinated people are getting 'breakthrough' infections (NY Times) ››

Delta variant will drive steep rise in U.S. deaths, new model shows (NPR) ››

PHOTOGRAPH BY JONATHAN HAYWARD, THE CANADIAN PRESS/AP

Canada is reopening its border. Here's what travelers need to know.

From COVID restrictions to new experiences, these tips will help U.S. travelers plan trips, beginning August 9.

PHOTOGRAPH BY DAVID RYDER, GETTY IMAGES

Vaccines are highly unlikely to cause side effects long after getting the shot

Science shows that even the most serious side effects for any vaccine, including COVID-19, occur within just a few weeks.

RELATED: Why vaccine side effects really happen, and when you should worry +

MORE ON YOUR HEALTH

PHOTOGRAPH BY LI HUI

Why seasonal depression happens in summer too

PHOTOGRAPH BY ROBERT CLARK

Scientists are unraveling the mysteries of pain

SUBSCRIBER EXCLUSIVE

PHOTOGRAPH BY REX FEATURES/AP

How you can smell when someone's sick

CALLAGHAN O'HARE, REUTERS

Will 'coronababies' live with long-term trauma?

MORE CORONAVIRUS NEWS

The Lambda variant: Here's what we know.

Delta has its own variant: How dangerous is Delta Plus?

Scientists say COVID-19 booster shots aren't needed—yet

The Olympics could be a COVID-19 'super-evolutionary event' (Wired)

As Australia’s outbreak grows, so does COVID shaming (Washington Post)

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