health and hygiene

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Across
  1. 1. an organism which transmits viruses to other species
  2. 3. he process whereby a person is made resistant to an infectious disease
  3. 5. diseases Caused by pathogens and able to be transmitted from an infected person to a healthy person; contagious or infectious.
  4. 6. Abnormal condition of an organism which interrupts the normal body functions.
Down
  1. 2. diseases Disease present in the body from the birth.
  2. 4. A preparation that is used to stimulate the body's immune response against diseases.