Ticker tape parade recap: New York celebrates COVID-19 essential workers

As the confetti falls, the sounds of marching bands and revelers are echoing through the streets. New Yorkers are standing on the sides of the parade route, cheering, ringing bells and holding "Thank you" signs while the floats and bands move through.

While the COVID-19 pandemic is not over, New York City's seven-day average positivity rate is now 0.96%. More than 605,000 people in the U.S. have died from COVID-19.

The ticker tape parade along lower Manhattan's Canyon of Heroes is underway.

The 14 parade floats represent 260 groups of essential workers, including first responders, small business employees, delivery workers and childcare employees.

Queens nurse Sandra Lindsay, who was the first person in the U.S. to get the COVID-19 vaccine, is the parade’s Grand Marshal.

Justin Davis, a traveling nurse with AMN Healthcare, left his wife and three children behind in Pittsburgh to care for COVID-19 patients in an overwhelmed Manhattan hospital when the pandemic began.

"Never seen anything like it," said Davis, who trained as an Army field medic and has been a nurse for 17 years. "I had more bodies, not enough people to take care. There were unqualified people there because there was nobody else."

When New York's crisis subsided, he moved to COVID hot spots in Orlando and Buffalo.

He will ride atop one of 14 floats that will make its way through the shower of confetti on Wednesday.

Davis told ABC News the parade is also a way to put his pandemic work behind him.

"I’ll accept the thanks," he said. 

-ABC News' Aaron Katersky

The City Hall ceremony at the end of the parade will be "a much smaller, stripped down version" than originally planned due to the heat, Mayor de Blasio said Tuesday.

"We will be greeting the marchers at the end of the parade and thanking them," de Blasio said. "Not a big ceremony, but the parade itself of course will be the central salute to our heroes."

"We will be adding additional cooling centers and water stations along the route," the mayor added.

-ABC News' Aaron Katersky