The world has been re-awakened to the specter of the pandemic – how quickly and uninvited they arrive, and how alarmingly fast they can spread to many nations. Historically, there are records of pandemics going back to the days of Hippocrates, which was 2400 years ago. Records kept since then show that pandemics have occurred about every 20-40 years. Since the Hong Kong Flu pandemic of 1968, we are at 41 years.
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