Deadly Diseases

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Across
  1. 2. An injection that protects you from disease
  2. 4. A period of isolation from others in case you have a disease
  3. 5. An illness that affects people in many countries, for example Covid-19
Down
  1. 1. Keeping water supplies clean and healthy
  2. 3. Drugs, used to treat or prevent some types of bacterial infection