what is infectious diseas??
Answers
Answer:
Infectious diseases:
Diseases which are caused by organisms like bacteria and viruses are called as infectious diseases.
Infectious diseases are also known as communicable or transmissible diseases.
They can be prevented by medicines or vaccines.
They can be passes from a person to another person.
They are caused by pathogens (disease causing agents), fungi, viruses and bacteria.
Examples: Common cold, Tuberculosis (TB) and influenza.
Some diseases caused by different pathogens:
1. Typhoid - Bacteria.
2. Elephantiasis - Worms.
3. Cholera - Bacteria.
4. Common cold - Viruses.
5. AIDS - Viruses.
Types of infectious diseases:
Viral Infections :- These are caused by viruses.
Bacterial Infections :- These are caused by bacteria.
Fungal Infections :- These are caused by fungus.
Prion diseases :- These are caused by proteins.
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Answer:
nfectious diseases are disorders caused by organisms — such as bacteria, viruses, fungi or parasites. Many organisms live in and on our bodies. They're normally harmless or even helpful. But under certain conditions, some organisms may cause disease.