KEY POINTS
  • Sen. Rob Portman told CNBC on Tuesday that he enrolled in Johnson & Johnson's Covid-19 vaccine clinical trial 12 days ago.
  • The Ohio Republican stressed the importance of vaccines in helping end the Covid-19 pandemic.
  • "The reason I participated in this trial was because I think the vaccines are so important," Portman said.

Sen. Rob Portman told CNBC on Tuesday that he's participating in Johnson & Johnson's Covid-19 vaccine clinical trial, hoping to underscore the importance of vaccines in ending the pandemic.

"The most important thing we can do right now is get these vaccines out and on the market, and we've got to ensure people are actually going to get vaccinated," the Ohio Republican said on "Squawk Box," while also stressing the need to wear a mask and maintain social distancing as U.S. coronavirus cases spike to record highs. He was wearing a mask during his interview from Capitol Hill.