New numbers from the Transportation Security Administration show Saturday saw the most passengers screened since mid-March at almost 1.13 million, which is concerning to Dr. Anthony Fauci, who says travel and holiday gatherings could cause a spike in virus cases nationwide.

"We very well might see a post-seasonal in the sense Christmas/New Year's surge and as I've described it as a 'surge upon a surge' because if you look at the slope, the incline of cases as we have experienced as we have gone into the late fall and soon to be early winter, it is really quite troubling,” says Dr. Fauci.

According to the Transportation Security Administration, the past 10 days have seen more than one million passengers screened five times.            

Meanwhile, airline passengers beginning today from the United Kingdom will have to get a negative COVID-19 test within three days of their trip and give the results to the airline, and that includes United Airlines, with flights into Newark Liberty International Airport.

The United Kingdom has seen a new strain of coronavirus, prompting dozens of countries to put in place travel bans or restrictions.