what is immunisation? give a short note on it
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- ɪᴍᴍᴜɴɪᴢᴀᴛɪᴏɴ (ᴏʀ ᴠᴀᴄᴄɪɴᴀᴛɪᴏɴ) ᴘʀᴏᴛᴇᴄᴛs ᴘᴇᴏᴘʟᴇ ғʀᴏᴍ ᴅɪsᴇᴀsᴇ ʙʏ ɪɴᴛʀᴏᴅᴜᴄɪɴɢ ᴀ ᴠᴀᴄᴄɪɴᴇ ɪɴᴛᴏ ᴛʜᴇ ʙᴏᴅʏ ᴛʜᴀᴛ ᴛʀɪɢɢᴇʀs ᴀɴ ɪᴍᴍᴜɴᴇ ʀᴇsᴘᴏɴsᴇ, ᴊᴜsᴛ ᴀs ᴛʜᴏᴜɢʜ ʏᴏᴜ ʜᴀᴅ ʙᴇᴇɴ ᴇxᴘᴏsᴇᴅ ᴛᴏ ᴀ ᴅɪsᴇᴀsᴇ ɴᴀᴛᴜʀᴀʟʟʏ.
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Immunization is a way of preventing a person from getting a disease. This is done by making the person's body come into contact with a bit of the disease so that the body learns how to fight it. The body's ability to fight off a disease is called its immune system. The material is known as an immunogen.
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