29 October, 2008

Vomiting & diarrhea due to Rotavirus

Photo 1) Electron micrograph of Rotavirus .   Bar indicate 100nm.
                Visual collection of American Society for Microbology 

Photo 2) Watery stool of an infant.  Stool colour is white-yellow.                   
               Right panel show the Rapid antigen test for Rotavirus         
               & Adenoviruses.  Agglutination is noted in rota virus.

Rotavirus infection
❑Symptoms:  fever and frequent vomiting, follow watery diarrhea.

❑Rotaviruses:  5 antigenic groups(A,B,C,D, E). group A
          (6 serotypes) are major causes infantile vomiting & diarrhea.
❑Transmission:  fecal-oral route
❑incubation periods: 1-3 days
❑Treatment:   Oral rehydration solution or parenteral fluids 
                        are given to correct dehydration.

❑Prevention:   live attenuated vaccine(given by mouth).
                        not available in Japan.

Any questions, write to Keiji Hagiwara, M.D.
                                 E-mail: keijihagiwara@gmail.com