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jerryking : herd_immunity   3

The Sewers of Paris and the Making of the Modern City | CBC Radio
Philip Coulter goes underground in the City of Light to visit the City of Smell. Part 1 of 2-part series.
CBC Radio · January 25
19th_century  CBC_Radio  cities  disease  herd_immunity  history  pandemics  Paris  plague  public_goods  public_health  sewage 
january 2019 by jerryking
A childhood disease with adult consequences - The Globe and Mail
The Globe and Mail
Published Tuesday, Dec. 16 2014

Vaccines work by stimulating the immune system to create antibodies, but they’re not 100-per-cent effective. That’s why it’s important for everyone to be vaccinated, to create what’s known as herd immunity.
vaccines  André_Picard  herd_immunity  immune_system  immunization 
december 2014 by jerryking

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