Impact of religion on treatment of patient

Could your religious beliefs potentially impact your treatment of a patient? How would you personally handle such a situation? What if one of your coworkers refused to perform a medical procedure they found incongruent with their religious beliefs? how would you handle this situation? What if the parents of a new born infant or a preschooler refused to vaccinate their child against common childhood diseases thereby placing all other children who they come in contact with at risk for contracting a communicable disease? What would you do? I need it in Anal 12 font