The race to vaccinate Massachusetts residents against COVID-19 continues to push forward this week.

With vaccination sites being regularly added to the state’s arsenal for getting doses of COVID-19 vaccines into arms — with frequent bumps along the way — we have a summary, below, of what you should know this week about the vaccination rollout in Massachusetts:

Massachusetts residents between the ages of 65 and 74 and those with two or more medical conditions that put them at an…