A 15 month old baby has a fever of 101.1 and hasimmunodefficiency. what should be done?

Fever: If he is immunodeficient, you need to get him checked asap, go to the er.

Fever: During 1st. Year, infants can have up to six episodes of febrile illness with symptoms of cold. Every time they get one viral infection, they develop immunity. After one yr. Febrile episode reduces. Kids tolerate fever better than adults. Your child most probably doesn't have immuno-deficiency unless there is some specific cause, like chronic ill health with multiple infections.