[Vocabulary] "if not more"

[Saraj Zhou]

“And “in most places other than the U.S., delta is just as much of a concern, if not more in some of the Asian countries,” Kullar says. “I would put a hold on international travel until we’re out of the thick of this.””[from CNBC]

What does "as much of a concern" and "if not more" means?

 

[teechar]

It means and possibly even more (of a concern).

 

[tedmc]

The delta variant is equally worrying to some Asian countries, if not even more worrying than most places other than the US.

 

[teechar]

The delta variant is equally or even more worrying to some Asian countries [STRIKE], if not even more worrying[/STRIKE] than it is to most places other than the US.

See corrections above.