Question

what is immunisation​

Answer 1

Explanation:

Immunization, or immunisation, is the process by which an individual's immune system becomes fortified against an agent.

Answer 2

Answer:

$Immunisation \: is \: a \: process \: of \: administration \: (injecting) \: of \: vaccine \: into \: a \: healthy \: person \: in \: order \: to \: develop \: immunity \: against \: a \: disease. \: Immunity \: means \: the \: ability \: of \: a \: body \: to \: recognise, \: destroy \: and \: eliminate \: external \: disease \: causing \: agents. \:$