MTA Chairman and CEO Patrick Foye holds up a MetroCard pass at the opening of the MTA?s public vaccination program where rail customers can receive free vaccinations for the coronavirus disease (COVID-19) at Grand Central Station Terminal train station in Manhattan in New York City, New York, U.S., May 12, 2021.

A commuter receives a vaccination shot for the coronavirus disease (COVID-19) during the opeing of MTA's public vaccination program at Grand Central Station Terminal train station in Manhattan in New York City, New York, U.S., May 12, 2021.

A healthcare clinician prepares a dose of the Johnson & Johnson vaccine for the coronavirus disease (COVID-19) for a commuter during the opening of MTA's public vaccination program at the 179th Street subway station in the Queens borough of New York City, New York, U.S., May 12, 2021.

A commuter receives a shot of the Johnson & Johnson vaccine for the coronavirus disease (COVID-19) during the opening of MTA's public vaccination program at a subway station in the Brooklyn borough of New York City, New York, U.S., May 12, 2021.

A healthcare worker prepares a dose of the Johnson & Johnson vaccine for the coronavirus disease (COVID-19) during the opening of the MTA?s public vaccination program where rail customers who receive vaccinations also receive free rail passes at Grand Central Station Terminal train station in Manhattan in New York City, New York, U.S., May 12, 2021.

A couple receives free vaccinations for the coronavirus disease (COVID-19) during the opening of the MTA?s public vaccination program where rail customers also receive free rail passes at Grand Central Station Terminal train station in Manhattan in New York City, New York, U.S., May 12, 2021.

Commuter Nyah Ricketts receives a dose of the Johnson & Johnson vaccine for the coronavirus disease (COVID-19) during the opening of MTA's public vaccination program at the 179th Street subway station in the Queens borough of New York City, New York, U.S., May 12, 2021.

Commuter Garnett Ricketts waits the mandatory 15 minutes after receiving the Johnson & Johnson vaccine for the coronavirus disease (COVID-19) during the opening of MTA's public vaccination program at the 179th Street subway station in the Queens borough of New York City, New York, U.S., May 12, 2021.

MTA security contractor Janet Santiago receives a shot of the Johnson & Johnson vaccine for the coronavirus disease (COVID-19) during the opening of MTA's public vaccination program at the Coney Island subway station in the Brooklyn borough of New York City, New York, U.S., May 12, 2021.

Commuters receive the Johnson & Johnson vaccine for the coronavirus disease (COVID-19) during the opening of MTA's public vaccination program at the Coney Island subway station in the Brooklyn borough of New York City, New York, U.S., May 12, 2021.

A commuter receives a shot of the Johnson & Johnson vaccine for the coronavirus disease (COVID-19) during the opening of MTA's public vaccination program at a subway station in the Brooklyn borough of New York City, New York, U.S., May 12, 2021.

People wait in a line to receive vaccinations for the coronavirus disease (COVID-19) at Grand Central Station Terminal train station in Manhattan in New York City, New York, U.S., May 12, 2021.

A commuter receives a shot of the Johnson & Johnson vaccine for the coronavirus disease (COVID-19) during the opening of MTA's public vaccination program at a subway station in the Brooklyn borough of New York City, New York, U.S., May 12, 2021.

People wait in a line to receive vaccinations for the coronavirus disease (COVID-19) at Grand Central Station Terminal train station in Manhattan in New York City, New York, U.S., May 12, 2021.

A commuter rolls up his sleeve to receive a vaccination shot for the coronavirus disease (COVID-19) at Grand Central Station Terminal train station in Manhattan in New York City, New York, U.S., May 12, 2021.

A commuter receives a vaccination shot for the coronavirus disease (COVID-19) during the opening of MTA's public vaccination program at the 179th Street subway station in the Queens borough of New York City, New York, U.S., May 12, 2021.

A commuter receives a shot of the Johnson & Johnson vaccine for the coronavirus disease (COVID-19) during the opening of MTA's public vaccination program at a subway station in the Brooklyn borough of New York City, New York, U.S., May 12, 2021.

MTA security contractor Janet Santiago reacts after she received a shot of the Johnson & Johnson vaccine for the coronavirus disease (COVID-19) during the opening of MTA's public vaccination program at the Coney Island subway station in the Brooklyn borough of New York City, New York, U.S., May 12, 2021.