There is a range of reasons someone who is hesitant about the vaccine will choose to get it.
The biggest influence is recommendations from healthcare professionals, followed by the convenience of vaccine delivery — "where you don't have to think much about it, you just do it" — seeing your peers get vaccinated while "anti-vax" is often used as a catch-all term for people either not planning to vaccinate or those who are unsure, it's important to differentiate between the different states of vaccine refusal or delay.
Vaccine hesitant refers to people who are conflicted about vaccinations, or in other words "are not sure, or are doubtful about vaccination, or have a lot of questions and concerns [they] want to be addressed". The term does not include people who are planning not to vaccinate
"The hesitancy around these vaccines is occurring among people who are routinely vaccinating their kids, or have themselves been vaccinated," Attwell a vaccination social scientist at the University of Western Australia, says. "People are afraid of the new ... that's what makes it really challenging to roll out new vaccines in a pandemic scenario."
One method called "motivational interviewing" involves listening out for people's concerns, such as "I'm worried about my mum" or "I want to be able to travel", and amplifying them.