No cause for alarm.
Miller
I
I
D002170:Canada / Q000453:epidemiology; D004196:Disease Outbreaks / Q000145:classification / Q000191:economics / Q000266:history / Q000331:legislation & jurisprudence / Q000517:prevention & control / Q000706:statistics & numerical data; D049673:History, 20th Century; D006801:Humans; D007251:Influenza, Human / Q000175:diagnosis / Q000188:drug therapy / Q000453:epidemiology / Q000266:history / Q000517:prevention & control / Q000628:therapy; D047828:World War I