Tufts doctor on how Mass. rollback could impact virus spread

Dr. Helen Boucher, chief of geographic medicine and infectious diseases at Tufts Medical Center, speaks about the changes made by the governor Tuesday.

AND CHANGES, COMING UP.EMILY: THANK YOU.THE STATE WILL ROLL BACK A STEPIN ITS REOPENING STARTINGSUNDAY.HERE TO DISCUSS IT WITH US ISDR. HELEN BOUCHER, CHIEF OFGEOGRAPHIC MEDICINE ANDINFECTIOUS DISEASES AT TUFTSMEDICAL CENTER.GOOD TO SEE YOU.THIS MEANS REDUCED CAPACITY INMANY BUSINESSES, TIGHTER MASKHOW COULD THESE THINGS MAKE ADIFFERENCE?AND WHAT DOES THE DATA SHOWABOUT WHERE SPREAD IS COMINGFROM RIGHT NOW?ALL THESE MEASURES ARE AIMEDTO ADD EXTRA LAYER’S OFMITIGATION OR PREVENTION FORSPREADING THE INFECTION.ALL OF THESE THINGS ADDADDITIONAL PLAYERS -- LAYERSOF PROTECTION.WE ARE JUST BEGINNING TO SEE THEIMPACT OF THANKSGIVING, SO WEHAVE TO DOUBLE DOWN TO PREVENTTHE SPREAD.EMILY: LET’S TALK ABOUTVACCINES.TODAY, PATIENTS IN THE U.K.RECEIVED THEIR FIRST DOSE OF THEPFIZER VACCINE.IT COULD HAPPEN HERE BY THE ENDOF THE YEAR.WHAT HAPPENS AFTER SOMEONE GETSTHAT FIRST DOSE?CAN THEY STOP WEARING MASKS,DISTANCING, ETC.?WHAT HAPPENS?SO NOTHING CHANGES IN OURBEHAVIOR AFTER INDIVIDUALS AREVACCINATED.IT IS NO UNTIL 60% TO 7 OFTHE POPULATION IS VACCINATED TOPREVENT THE SPREAD OF VIR ANDKNOW THAT WE ARE SAFE TO GO BACTO NORMAL ACTIVITIES.FOR NOW, WEAR OUR MASKS, KEEP ADISTANCE.EMILY: THE FDA PUBLISHEDDOCUMENTS TODAY SAYING THEPFIZER VACCINE PROVIDES STRONGPROTECTION WITHIN 10 DAYS OF THEFIRST DOSEI CAN HEAR PEOPLE THINKING, WHYWOULD WE NEED THE SECOND DOSE?WHY DOES THAT MATTER?