Question

what is infectious diseas?​

Answer 1

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 2

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• ɪɴғᴇᴄᴛɪᴏᴜs ᴅɪsᴇᴀsᴇs ᴀʀᴇ ᴅɪsᴏʀᴅᴇʀs ᴄᴀᴜsᴇᴅ ʙʏ ᴏʀɢᴀɴɪsᴍs — sᴜᴄʜ ᴀs ʙᴀᴄᴛᴇʀɪᴀ, ᴠɪʀᴜsᴇs, ғᴜɴɢɪ ᴏʀ ᴘᴀʀᴀsɪᴛᴇs. ᴍᴀɴʏ ᴏʀɢᴀɴɪsᴍs ʟɪᴠᴇ ɪɴ ᴀɴᴅ ᴏɴ ᴏᴜʀ ʙᴏᴅɪᴇs. ᴛʜᴇʏ'ʀᴇ ɴᴏʀᴍᴀʟʟʏ ʜᴀʀᴍʟᴇss ᴏʀ ᴇᴠᴇɴ ʜᴇʟᴘғᴜʟ. ʙᴜᴛ ᴜɴᴅᴇʀ ᴄᴇʀᴛᴀɪɴ ᴄᴏɴᴅɪᴛɪᴏɴs, sᴏᴍᴇ ᴏʀɢᴀɴɪsᴍs ᴍᴀʏ ᴄᴀᴜsᴇ ᴅɪsᴇᴀsᴇ.

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