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The discovery of viruses

The shapes of different viruses

Structure of a virus

Hepatitis B virus

Viruses inside the host cell

Multiplication of viruses inside the host cell

Life cycle of a virus

The multiplication of viruses in the host cell

Influenza virus – model

Influenza type A virus

Influenza – a dangerous disease

H5N1 bird flu virus

The greatest flu epidemic

Bird flu

Childhood diseases

Chickenpox

Measles

Rubella

Mumps

Prevention and treatment of childhood diseases

Incidence of polio around the world

Poliovirus – model

Poliovirus

Carriers of poliomyelitis

The iron lung – the fore runner of the respirator

Symptoms of viral hepatitis

Hepatitis A and E

Hepatitis B, C and D

Comparison of the types of viral hepatitis

Virus A

Virus B

Virus C

Virus D

Virus E