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A few countries are also beginning to offer a third booster dose to their citizens based on evidence that the initial protection from vaccines wanes over time, or that an extra shot may help prevent infection against Delta, particularly for older people or those with weak immune systems.

We started the summer full of optimism and enthusiasm thanks to the rollout of vaccines and the return of travel. The Centers for Disease Control and Prevention rolled back warnings on travel in the spring, so we planned vacations and reunited with loved ones. Everything was on the upswing — until it wasn’t.

So how should travelers feel about their upcoming travel plans? It can all depend on where you are going, how you are getting there and whom you are going with. We spoke with six health experts for their advice.

Amber D'Souza is quoted. 

Three vaccines developed to prevent COVID-19 infections received emergency use authorization earlier this year, allowing nearly half the U.S. population to be fully vaccinated against the virus. But while much of the population remains skeptical of vaccination, the U.S. Food and Drug Administration is working to fully approve, or license, the three vaccines.

The decision to expand the emergency use of both the Pfizer-BioNTech and Moderna vaccines is meant to help transplant recipients and others whose immune systems are similarly compromised.

Dorry Segev is quoted.

Cases of COVID-19 are rising fast. Vaccine uptake has plateaued. The pandemic will end—but the way there is different now.

Cases of COVID-19 are rising fast. Vaccine uptake has plateaued. The pandemic will end—but the way there is different now.

Caitlin Rivers is quoted. 

A group of Iowa mothers of young school-age children held a rally and sit-in at the Iowa Capitol on Wednesday pushing Iowa Gov. Kim Reynolds to issue an executive order reversing a state law that prohibits school boards from implementing mask requirements in schools.

Mask mandates in schools have been a bitter source of controversy, sparking protests at school board meetings and fights between school districts and state leaders. But a new poll finds most parents are in favor of requiring masks.

Americans who don’t want to get the shot, but want the privilege of showing a card may be tempted to get a fake.

Less than two weeks ago, just one locality in Maryland was colored orange on the U.S. Centers for Disease Control and Prevention’s map — signifying “substantial” coronavirus spread. None were red, which would mean the level of transmission is high. As of Tuesday, all but two counties were in the substantial or high transmission zone.

The CDC's advice for keeping your child protected from this highly contagious version of the coronavirus now and this fall: Mask up in schools and other crowded venues. And make sure everyone age 12 and older in the family gets a COVID-19 shot.