Infectious Diseases Lesson 2.4

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Across
  1. 3. viral infection of the respiratory system; also known as the flu.
  2. 5. contagious respiratory disease caused by the novel coronavirus; named a pandemic in January 2020.
  3. 6. infection of the tonsils.
  4. 7. microorganisms that cause infectious diseases.
  5. 8. practice of covering your mouth and nose with a tissue while coughing or sneezing, or sneezing into your sleeve.
Down
  1. 1. common viral infection that spreads through saliva and respiratory droplets; also known as mono.
  2. 2. substance that contains a dead or nontoxic part of a pathogen that is injected into a person to train that person's immune system to destroy the live pathogen.
  3. 3. illness caused by contact with microorganisms; also called communicable or transmissible disease.
  4. 4. substances that target and kill bacteria.
  5. 9. infection of the eye surface; also known as conjunctivitis.