lunes, 18 de mayo de 2020

ENGLISH - SCIENCE

The Invention of Vaccination

Who was Edward Jenner?


  • You already know that vaccines help prevent a range of infections, including the flu.
  • Unfortunately there are not vaccines for all infections.
  • Edward Jenner discovered vaccines. 
  • Vaccines are dead or weakened microbes.
  •  Do you know that vaccination comes from the Latin word "Vacca" (cow)?
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