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It causes exanthem subitum, or Roseola, a disease that affects nearly every human baby.
Babies with the disease generally have a fever for about 3 days, which is then followed by a rash.
This coloured transmission electron micrograph (TEM) shows yellow fever viruses.
As the name suggests, these are the cause of yellow fever.
These microscope images all show the herpes simplex virus (HSV).
HSV is a viral infection that causes blisters and sores, usually around the mouth and nose.
This is the hepatitis A Virus (HAV).
It causes hepatitis A, an acute liver disease.
The virus is transferred by the ingestion of fecal matter, even in microscopic amounts, from close person-to-person contact, or by ingestion of contaminated food or drinks.
A scanning electron microscope (SEM) image of the influenza virus.
The disease it causes is commonly known as "flu": an infectious disease of the upper air passages.
The flu virus is usually spread in the small droplets of saliva coughed or sneezed into the atmosphere by an infected person.
Direct contact with hands that are contaminated with the virus can also spread infection.
The hepatitis B virus causes a form of liver disease.
Hepatitis B ranges widely in severity: it can be a mild illness, lasting a few weeks, or a serious long-term illness that can lead to liver disease or liver cancer.
This colorised, negatively stained, transmission electron micrograph (TEM) shows the structure of the H1N1 virus.
Also known as swine flu , H1N1 is common among pigs but has mutated to infect humans.
Its symptoms are similar to those caused by the conventional influenza virus.
A transmission electron micrograph (TEM) showing filamentous Marburg virus, magnified 100,000 times.
This RNA virus is an example of the filovirus type.
It causes Marburg haemorrhagic fever, which is often fatal.
Colour-enhanced transmission electron micrograph (TEM) of the ebola virus, an RNA filovirus similar to Marburg virus.
Ebola is well-known for causing haemorrhagic fever, infecting humans and several other species.
Scanning electron micrograph of human immunodeficiency virus budding from a cultured lymphocyte .
The round bumps on the cell's surface are sites where HIV virions are being assembled and then budding off.
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