Infections
Infections are generally caused by bacteria or viruses. These can be spread in blood, body fluids, contaminated food and airborne droplets or by animals and insects. Some infections can be prevented by immunisation.
A-Z of infectious diseases
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Articles
Topic: Introduction to infections
Infections - bacterial and viral
Many bacterial infections can be treated with antibiotics, but they are useless against viral infections.
Fever
A mild fever up to 39°C can actually help the immune system to get rid of an infection.