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HAV HBV HCV HDV

 Type PicornavirusDNA.

Hepadnaviridae

Flaviviridae RNA

Characteristics

Morefrequently. InMeico! hi"h

incidence andprevalence.

#o$

incidence andprevalence.

%entype&ore freq in

M' ( H

Most frequent"enotype( )*

Most frequent"enotype )In

M

Incu*ation ,- $ee/s 0-,1 $ee/s ,-,) $ee/s 1-2 $ee/s

 Trans&ission Feces 4lood 4lood 4lood

A"es 5-6 yo! )-yo! )7-) yo

)5-,6 yo Adults Adults

8volution

Acute.9tters

per&anenti&&unit

5 :Resolution

Chronic )-5:Ful&inant ):

27 :

&ortalityCirrhosis 1-

37 :su*clinical

37 : ChronicCirrhosis ,7-

)77:Chronicity *y

superinfection

F

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HAV HBV HCV HDV

4re&oval