Enteroviral etiology of some epidemic outbreaks in a zone of Romania.

The authors describe three enterovirus epidemics: an outbreak of Coxsackie B1 epidemic myalgia, one of echovirus 4 meningitis and one of epidemic vomiting and diarrhea caused by Coxsackie A9 virus. Etiological diagnosis was established by virological and serological tests.

Presence of hepatitis B antigen in the saliva of viral hepatitis patients.

The presence of hepatitis B antigen (HBsAg) in the saliva of 14 (43.7%) out of 32 patients with viral hepatitis (VH) and antigenemia was revealed by discontinuous counter-immunoelectrophoresis. HBsAg was found in the saliva of both children and adults, more frequently during the first weeks after the onset of illness.