Immunisation- Task 19 Q4-5

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Across
  1. 1. an infectious agent of small size that can multiply only in living cells of animals, plants, or bacteria.
  2. 5. something that can cause harm and that can be passed onto people through their environment
  3. 6. this is when a product is given to a person through injection to help them become immune to either one or several diseases
  4. 7. Your body becomes this when you are protected against a disease through vaccination.
Down
  1. 2. a list of the times when events are planned to happen, for example the times when babies should be vaccinated.
  2. 3. safe from harm
  3. 4. a type of infectious virus that causes diseases in mammals and birds. In humans and birds, they cause respiratory tract infections that can range from mild to lethal.