What if too much time elapses between my COVID-19 doses? Share Updated: 6:01 AM EDT May 19, 2021 What if too much time elapses between my COVID-19 doses? Share Updated: 6:01 AM EDT May 19, 2021 Hide Transcript Show Transcript DOUG: AS WE CONTINUE TO GET YOU THE FACTS ON THE VAX, A QUESTION ABOUT THAT SECOND DOSE. ANTOINETTE: AND MOST IMPORTANTLY, THE TIMING. JERRY ASKS, I RECEIVED MY 1ST DOSE OF PFIZER ON MARCH 2 WHILE WORKING IN FLORIDA. I WASN’T ABLE TO GET THE 2ND DOSE ON TIME DUE TO MY TRAVELS FOR WORK. NOW THAT I’M BACK IN MASS, SHOULD I GET THE 2ND DOSE OR START THE PROCESS OVER? HERE’S THE ANSWER FROM DR. TODD ELLERIN, CHIEF OF INFECTIOUS DISEASES AT SOUTH SHORE HEALTH. >> JERRY GO FOR YOUR NEXT DOSE AS SOON AS POSSIBLE. WITH THE PFIZER VACCINE, IT IS SUPPOSED TO BE THREE WEEKS AFTER, WE KNOW THAT THE CDC EVEN SAYS YOU CAN TAKE THE VACCINE OUT SIX WEEKS. THE UNITED KINGDOM HAS ACTUALLY BEEN GIVING CERTAIN DOSES WITH IS THE FIRST SHOT AND THE BOOSTER. I’M NOT WORRIED AT ALL. I THINK WE WANT TO TRY TO STICK WITH THE THREE WEEK TO FOUR WEEK INTERVAL IS MUCH AS POSSIBLE. BUT WHAT WE THINK IMMUNOLOGICALLY IS THAT EVEN A LONGER DIFFERENCE BETWEEN THE PRIME AND THE BOOST, WE KNOW THE IMMUNE RESPONSE -- IT DELIVERS A VERY POWERFUL IMMUNE RESPONSE AND IN SOME CASES, A BETTER ONE. I’M NOT WORRIED ABOUT EXTRA TIME BETWEEN THE FIRST AND SECOND DOSE. ANTOINETTE: AHEAD IN OUR NEXT HALF HOUR, BOOSTERS. CAN YOU MIX AND MATCH? WE’LL DIVE INTO THAT. WE’LL BE ANSWERING YOUR QUESTIONS ALL WEEK IN EVERY NEWSCAST AND IF YOU MISS ANY GO TO THE WCVB APP OR WCVB.CO