Winnipeg Free Press Getting stuck Canadians are largely in favour of vaccination, so why are Manitoba's school immunization programs so far from achieving herd immunity? Sometimes, neither a lollipop nor a dinosaur sticker is enough to convince someone to get a needle. Sometimes, neither a lollipop nor a dinosaur sticker is enough to convince someone to get a needle. Dr. Michele Feierstein, a pediatrician for more than 35 years, knows that all too well. Feierstein has given thousands of immunizations to young patients throughout her career, but she has also had her fair share of difficult conversations with parents who are vaccine-hesitant or outright anti-vaxxers.