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Gallery of pathogens (germs)

Viruses

Morbillivirus This virus causes an infection of the respiratory system called measles. Symptoms include fever, cough and a rash. It used to be a common childhood illness, but now many children, at least in the developed world, are immunized against it.

Rhinovirus These viruses cause the common cold. They spread from person to person through the air in tiny droplets when someone with the virus coughs or sneezes or by touching a surface with the virus on it and then touching your eyes or nose.

Salmonella bacteria These bacteria are found in contaminated poultry, beef, and eggs, and untreated milk. Symptoms of salmonella food poisoning are diarrhea, vomiting, stornach cramps, and fever.

It is important to cook food well to kill off the bacteria.

Mycobacterium bacteria These airborne bacteria cause a disease called tuberculosis. Symptoms include a chronię cough, fever, and weight loss. If left untreated, tuberculosis can kill morę than half of its victims. Despite vaccination programs, many people worldwide still get infected with this disease.

Streptococcus bacteria

These bacteria can infect different parts of the body, but one common illness they cause is strep throat—an infection of the throat, larynx, and tonsils. It can be treated with antibiotics.

Bacteria

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