Question

Define Infectious diseases... ​

Answer 1

Explanation:

Infectious 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.

hope it is helpful for you ❤️

Answer 2

⊱✿AⲛSⲱⲉꞅ✿⊰

❥ Iɴғᴇᴄᴛɪᴏᴜs ᴅɪsᴇᴀsᴇs ᴀʀᴇ ᴅɪsᴏʀᴅᴇʀs ᴄᴀᴜsᴇᴅ ʙʏ ᴏʀɢᴀɴɪsᴍs — sᴜᴄʜ ᴀs ʙᴀᴄᴛᴇʀɪᴀ, ᴠɪʀᴜsᴇs, ғᴜɴɢɪ ᴏʀ ᴘᴀʀᴀsɪᴛᴇs. Mᴀɴʏ ᴏʀɢᴀɴɪsᴍs ʟɪᴠᴇ ɪɴ ᴀɴᴅ ᴏɴ ᴏᴜʀ ʙᴏᴅɪᴇs. Tʜᴇʏ'ʀᴇ ɴᴏʀᴍᴀʟʟʏ ʜᴀʀᴍʟᴇss ᴏʀ ᴇᴠᴇɴ ʜᴇʟᴘғᴜʟ. Bᴜᴛ ᴜɴᴅᴇʀ ᴄᴇʀᴛᴀɪɴ ᴄᴏɴᴅɪᴛɪᴏɴs, sᴏᴍᴇ ᴏʀɢᴀɴɪsᴍs ᴍᴀʏ ᴄᴀᴜsᴇ ᴅɪsᴇᴀsᴇ.