Americans are growing increasingly concerned about the delta variant of the coronavirus and are split along party lines on President Biden's handling of the new strain, according to a new poll. 

A CBS-YouGov survey published over the weekend found that 62 percent of Americans said they are concerned about the delta variant, now the dominant strain in the United States, including 48 percent of people who indicated they are not vaccinated or not fully vaccinated.  

Seventy-two percent of vaccinated Americans said they are concerned about the delta variant. Of the respondents who said they are not vaccinated, 53 percent listed "worried about side effects" as their reason for declining to get the shot. 

Federal health officials have said repeatedly that all three vaccines being used in the United States are safe and effective in fighting off the coronavirus and the delta variant. ... Read More: The Hill