Mass COVID vaccination site closes in Middletown. Where can you now get a shot? FacebookTwitterEmail A man gets his COVID-19 vaccine earlier this year at Cross Street AME Zion Church in Middletown, as part of the city’s effort to inoculate older members of the congregation.Cassandra Day / Hearst Connecticut Media MIDDLETOWN — With the Community Health Center mass vaccination sites no longer open, the city is offering several pop-up clinics and walk-in locations for people to get the COVID vaccine. A declining demand is causing other health agencies to follow suit, as well the drop in the state’s coronavirus positivity rate, which has remained below 1 percent in recent weeks.