KEY POINTS
  • The CDC said Monday that a thorough soap-and-water scrub is adequate to keep Covid-19 from spreading in a home.
  • "I don't understand, actually, what took CDC so long to really be clear about this. This virus is spread through the air," Dr. Ashish Jha said.
  • Jha noted the CDC's public health messaging has been part of a larger pattern of poor messaging from the government when it comes to Covid. 

The Centers for Disease Control and Prevention should have updated its guidelines on cleaning household surfaces well before this week, the dean of Brown University's School of Public Health said Tuesday.

"It's incredibly frustrating," Dr. Ashish Jha told CNBC's "The News with Shepard Smith." "I think I was starting to say by last April and May, many of us in public health, stop wiping down surfaces."