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Elan Coil [88]
3 years ago
5

What causes infection and diseases?

Biology
1 answer:
Naya [18.7K]3 years ago
3 0

Answer:

Infectious diseases are caused by pathogenic microorganisms, such as bacteria, viruses, parasites or fungi; the diseases can be spread, directly or indirectly, from one person to another. Zoonotic diseases are infectious diseases of animals that can cause disease when transmitted to humans.

Explanation:

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Explanation:

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