<prompt> Carriers are important source of infection in all, EXCEPT:MeaslesMumpsDiphtheriaTyphoid  <response>: Ans. is a i.e. Measles Sources of infection :Measles : The only source of infection is a case of measles.Mumps : Both clinical and sub clinical casesDiptheria : 95 carriers and 5 clinical casesTyphoid : case carriers 