Currently, the ECHO group has 32 serovariants. A significant part of them has haemagglutinating properties, and all of them multiply well in cell culture.
Rotavirus was first discovered in 1973 by R. Bishop and co-authors in the electron microscope study of duodenal enterocytes in children with gastroenteritis and in their bowel movements.
Viral hepatitis A is a human infectious disease characterized by a predominant liver damage and manifested clinically intoxication and jaundice. The resistance of the hepatitis A virus
Hepatitis B is an infectious disease of a person characterized by selective damage of the liver by a virus. This form of hepatitis is the most dangerous in its consequences among all known forms of viral hepatitis.
Infection caused by the herpes simplex virus can have several clinical forms, but is most often asymptomatic. Common clinical manifestations are vesicular eruptions on the skin and mucous membranes.
Chickenpox virus - zoster (VZ) can cause a highly contagious lung disease in children - chicken pox, manifested in the development of vesicle rash on the skin and mucous membranes.
Cytomegaly with intracellular inclusions is a generalized infection of newborns caused by intrauterine infection with cytomegalovirus (CMV) or infection immediately after birth.
The Epstein-Barr virus (EB) causes infectious mononucleosis, which affects people of all age groups, as well as a tumor in the children and young men in Central Africa, most often the upper jaw - Burkitt's lymphoma and in adult men in China - nasopharyngeal carcinoma.
Alpha viruses have a genome represented by a single-stranded positive linear RNA with a molecular weight of 4.2 MD. Vyrions of spherical shape, diameter 60-80 nm.
Yellow fever is an acute serious infectious disease characterized by severe intoxication, a two-wave fever, severe hemorrhagic syndrome, and kidney and liver damage.