A cold but heart-warming experience.
D004196:Disease Outbreaks; D006676:History of Nursing; D049673:History, 20th Century; D049711:History, Modern 1601-; D006801:Humans; D007251:Influenza, Human / Q000266:history* / Q000451:nursing*; D009518:New York; D009729:Nursing; D011634:Public Health / Q000266:history*; D011637:Public Health Nursing / Q000266:history*; D014481:United States