Is the first type hepatitis patient's saliva infective can diagnose hepatitis A with the saliva? 's general knowledge

Is the first type hepatitis patient's saliva infective, can diagnose hepatitis A with the saliva? 's general knowledge
The answer is definite. The hepatitis A patient's saliva is infective, because gather the saliva obtained from the acute hepatitis A patient, whether inoculate to chimpanzees no matter through the mouth or by the vein, make the chimpanzee suffer from hepatitis A, so think hepatitis A and virus can travel through the saliva. Can diagnose hepatitis A too with the saliva, someone foreign uses and radiates vaccinating, gather the saliva obtained from acute one or persons who were infected with hepatitis A and virus recently of hepatitis A patient, and in the saliva sample of the person who appears jaundice during 6 last weeks, detect hepatitis A and virus antibody immunoglobulin (Ig) M. So as to diagnose hepatitis A, would obtain right and wrong of the sample and will not increase the agony for the patient.
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