Here’s what to know about the updated vaccine rollout plan in Massachusetts — including eligibility timelines for all residents

Last Mile Vaccine Delivery gave vaccines in an empty store inside the Mall At Whitney Field in Leominster Tuesday.Suzanne Kreiter/Globe staff

The state released its schedule on Wednesday for when all people in Massachusetts will become eligible to book COVID-19 vaccine appointments, with shots becoming available to the general public on April 19.

Until now, officials have avoided specifying dates for the rest of the rollout, instead concentrating on providing shots for the million or so people who are currently eligible: first responders and health workers, senior citizens, people with two or more chronic health conditions, and educators.

Here’s a look at the latest timeline:

Timeline for remaining groups:

• March 22: Residents 60+ and certain workers
• April 5: Residents 55+ and residents with one of certain medical conditions
• April 19: General public ages 16 and older

Which workers are eligible on March 22?

Here’s the full list, according to the state:

― Restaurant or cafe workers such as cooks, servers, maintenance staff, managers, and cashiers

― Food, meatpacking, beverage, agriculture, consumer goods, retail, or food service workers. They include those involved in the production, processing, storage, transport, wholesale and retail sale, preparation, and service of food and consumer goods, and farm and other agricultural workers, including farm stands and nurseries

― Grocery and convenience store workers. They include cashiers, baggers, stockers, managers, maintenance staff, and security staff

― Food pantry workers or volunteers

― Medical supply chain workers. They include those directly involved in the manufacturing and production, packaging, transport, quality control, and sale of materials critical to the delivery of medical care

― Vaccine development workers. They include workers directly involved in research, development, manufacturing and production, packaging, transport, quality control, and sale of vaccines (COVID-19 and others)

― Transit/transportation workers. These include drivers, operators, attendants, sales, administrators, maintenance staff, public and private bus, train and subway, passenger boat and ferries, passenger air, and automobile (including rental car, car service/limousine, taxi, and ride-hailing apps) transportation, bridge and road construction and maintenance workers, shipping port and terminal workers, commercial transportation

― Public works, water, waste water, or utility workers. Utility workers include those involved in electrical generation and supply system, natural gas delivery, nuclear power plant, water supply, telephone, cable, fiber optical, broadband, and cellular service workers. Public works employees include street repair, street lighting, public park, beach, and trail maintenance workers.

― Sanitation workers. They include rivers, solid waste handlers, recycling staff, street cleaners, sewer and storm water system workers

― Public health workers. They include public-facing federal, state, and local governmental public health workers

― Court system workers. They include judges, prosecutors, defense attorneys, and clerks (other than court officers who are already eligible as first responders). Criminal court workers, including judges, prosecutors, public defenders, private defense attorneys, clerks, and maintenance workers

― Funeral directors and funeral workers. They include funeral directors/morticians, and other funeral workers (funeral home staff, drivers, maintenance workers, cemetery workers, funeral cosmetology workers)

I’m eligible for a vaccine. How do I make an appointment?

The Baker administration recently launched a preregistration system enabling Massachusetts residents to sign up to be alerted when they can book an appointment at one of the state’s mass vaccination sites. Only when residents are eligible to be vaccinated will they be notified.

Residents can preregister at VaccineSignUp.mass.gov. You will be notified when it’s your turn to schedule an appointment at one of the seven mass vaccination locations in Massachusetts. These sites include Fenway Park, Gillette Stadium, the Reggie Lewis Center, the DoubleTree Hotel in Danvers, the Eastfield Mall in Springfield, the Natick Mall, and the former Circuit City in Dartmouth.

Residents can also use VaxFinder.mass.gov to search for and book appointments at pharmacies, health care providers, and other community locations.

Check the state’s map to find a vaccination location near you:

Globe staff Adam Vaccaro and Amanda Kaufman contributed to this report.