NEW YORK - Mount Sinai says it is canceling COVID-19 vaccination appointments until the middle of next week due to a shortage of vaccines.

In a statement, the hospital network said appointments from Friday, January 15 through Tuesday, January 19 would not take place. 

"We will inform our patients when more vaccine supplies become available and reopen vaccination appointments for eligible patients," spokesperson Lucia Lee said in a statement. "For anyone with appointments scheduled after Tuesday, we will provide updates as soon as we know more."

The shortage comes as the state has expanded the number of people who are eligible to receive the shot. Both Gov. Andrew Cuomo and Mayor Bill de Blasio have warned the current supply can't meet the demand. 

“We will run out of vaccine next week in New York City,” de Blasio said Friday on WNYC. “The supply should go to where there is an infrastructure to get it into people’s arms. We know there is supply in this country not being used.”  

The mayor said that as of Friday the city had less than 186,000 first doses left.

NYU Langone tells NY1 that while it is not canceling appointments, it is not scheduling new ones. 

"We will not schedule an appointment for a vaccination unless we have a confirmed dose in hand or know it will be shipped," the hospital said. 

Montefiore says they have not canceled any vaccine appointments at their Bronx hospitals.

The rollout of the vaccine has been marked by confusion over eligibility and the sign-up process