@WHO: Founded in 1952, the WHO's Global Influenza Surveillance and Response System is 70 years old this year! https://t.co/xGP0EckF54 To celebrate, we are taking you to some facts around #influenza🤧- thread below. https://t.co/3HVaAx6e5O

@WHO: Founded in 1952, the WHO's Global Influenza Surveillance and Response System is 70 years old this year! https://t.co/xGP0EckF54 To celebrate, we are taking you to some facts around #influenza🤧- thread below. https://t.co/3HVaAx6e5O

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