Jan. 4 (UPI) — Air journey in the US reached a brand new excessive through the coronavirus pandemic on Sunday as the vacation season wrapped up, bringing new issues about future COVID-19 an infection ranges.

The Transportation Safety Administration mentioned greater than 1.three million vacationers handed by way of its checkpoints Sunday. The quantity is 55% beneath what the company dealt with a 12 months in the past, nevertheless it was its highest quantity since March 15, when journey lockdowns began to take full impact.

Sunday was the second consecutive day greater than 1 million vacationers handed by way of TSA checkpoints and the 11th time since Dec. 18. Whereas these numbers are nicely off 2019 totals, they present a gradual return to airports for passengers.

The US recorded extra deaths linked with the coronavirus throughout December than different instances through the pandemic, with greater than 74,000 deaths reported through the month, in accordance with Johns Hopkins College.

Dr. Anthony Fauci, the federal government’s main infectious illness skilled, mentioned the US might return to regular by the autumn if it reaches 1 million vaccinations per day. He mentioned that fee might develop the widespread “herd immunity” wanted among the many inhabitants.

“It’s completely going to depend upon the uptake of vaccines,” Fauci mentioned. “If we get 70 to 85% of the inhabitants vaccinated. And we begin, let me — proper now we’re getting the individuals within the precedence teams, by the point we get to the top of March, the start of April, I might have hoped that we might have taken care of all of these priorities and have what I name open season on vaccines.”