The Joint Committee on Public Health, not surprisingly, handles a lot of the relevant topics.
If you live in one of the blue towns (listed alphabetically), you do have a state legislator on the committee: click on their name to go directly to their contact page.
If you live in one of the purple and indented towns, your legislator might be on the committee -- check your address here and see if the name matches.
all of Dukes County (Martha’s Vineyard, Elizabeth Islands) (Sen. Julian Cyr (Vice-Chair))
Abington (Sen. John F. Keenan)
Barnstable (Sen. Julian Cyr (Vice-Chair))
Berkley (Sen. Kelly A. Dooner (Ranking Minority))
Berlin (Sen. Robyn K. Kennedy)
Bolton (Sen. Robyn K. Kennedy)
Boston (parts of town) (Rep. Samantha Montaño)
Boylston (Sen. Robyn K. Kennedy)
Braintree (parts of town) (Sen. William J. Driscoll, Jr. (Chair), Sen. John F. Keenan)
Brewster (Sen. Julian Cyr (Vice-Chair))
Bridgewater (Sen. William J. Driscoll, Jr. (Chair))
Cambridge (parts of town) (Rep. Marjorie C. Decker (Chair))
Carver (Sen. Kelly A. Dooner (Ranking Minority))
Chatham (Sen. Julian Cyr (Vice-Chair))
Chicopee (parts of town) (Rep. Shirley B. Arriaga)
Danvers (Rep. Sally Kerans, Vice Chair)
Dennis (Sen. Julian Cyr (Vice-Chair))
Dighton (Sen. Kelly A. Dooner (Ranking Minority), Rep. Justin Thurber)
Eastham (Sen. Julian Cyr (Vice-Chair))
Easton (Sen. William J. Driscoll, Jr. (Chair))
Framingham (parts of town) (Rep. Priscila S. Sousa)
Hanover (Sen. John F. Keenan)
Harwich (Sen. Julian Cyr (Vice-Chair))
Holbrook (Sen. John F. Keenan)
Lexington (parts of town) (Rep. Michelle L. Ciccolo)
Lynn (parts of town) (Rep. Sean Reid)
Malden (Sen. Jason M. Lewis)
Marion (Sen. Kelly A. Dooner (Ranking Minority))
Melrose (Sen. Jason M. Lewis)
Middleborough (Sen. Kelly A. Dooner (Ranking Minority))
Milton (Sen. William J. Driscoll, Jr. (Chair))
Nantucket (Sen. Julian Cyr (Vice-Chair))
Newton (parts of town) (Rep. Amy Mah Sangiolo)
Northborough (Sen. Robyn K. Kennedy)
Orleans (Sen. Julian Cyr (Vice-Chair))
Peabody (parts of town) (Rep. Sally P. Kerans (Vice Chair))
Provincetown (Sen. Julian Cyr (Vice-Chair))
Quincy (Sen. John F. Keenan)
Quincy (parts of town) (Rep. Bruce J. Ayers)
Randolph (parts of town) (Rep. Bruce J. Ayers, Sen. William J. Driscoll, Jr. (Chair)
Raynham (Sen. Kelly A. Dooner (Ranking Minority))
Reading (Sen. Jason M. Lewis)
Rehoboth (Sen. Kelly A. Dooner (Ranking Minority))
Rockland (Sen. John F. Keenan)
Seekonk (Sen. Kelly A. Dooner (Ranking Minority))
Shrewsbury (Rep. Hannah Kane, Ranking Minority)
Somerset (Rep. Justin Thurber)
Stoneham (Sen. Jason M. Lewis)
Stoughton (Sen. William J. Driscoll, Jr. (Chair))
Swansea (parts of town) (Rep. Justin Thurber)
Taunton (Sen. Kelly A. Dooner (Ranking Minority))
Taunton (parts of town) (Rep. Justin Thurber)
Topsfield (parts of town) (Rep. Sally P. Kerans (Vice Chair))
Truro (Sen. Julian Cyr (Vice-Chair))
Wakefield (Sen. Jason M. Lewis)
Wareham (Sen. Kelly A. Dooner (Ranking Minority))
Wellfleet (Sen. Julian Cyr (Vice-Chair))
Wenham (parts of town) (Rep. Sally P. Kerans (Vice Chair))
Westborough (parts of town) (Rep. Hannah Kane (Ranking Minority))
West Boylston (Sen. Robyn K. Kennedy)
West Bridgewater (Sen. William J. Driscoll, Jr. (Chair))
Winchester (parts of town) (Rep. Michelle L. Ciccolo, Sen. Jason M. Lewis)
Woburn (parts of town) (Rep. Michelle L. Ciccolo)
Worcester (parts of town) (Sen. Robyn K. Kennedy)
Yarmouth (Sen. Julian Cyr (Vice-Chair))
If your legislators aren't on the committee, you can still help! Click here, enter your address, contact your legislators, and tell them that you really want them to talk to their colleagues who are on that key committee and ask them why they haven't yet done this thing that is both very easy and very important.