https://www.merriam-webster.com/dictionary/immunity https://www.merriam-webster.com/dictionary/immunity "especially : a condition of being able to resist a par

https://www.merriam-webster.com/dictionary/immunity https://www.merriam-webster.com/dictionary/immunity "especially : a condition of being able to resist a particular disease especially through preventing development of a pathogenic microorganism or by counteracting the effects of its products" Getting vaccinated has never, ever, guaranteed you cannot contract an illness.