Janis is a 12 month old that presents with her mother for se…

Janis is a 12 month old that presents with her mother for severe coughing fits with inabilty to catch her breath at times. It is noted that she was last seen at age 2 months.  When asked, Mom states she does not want her to get further vaccines after seeing her get a fever after the first set.  Based on the chief complaint, what incomplete vaccination has you most concerned?