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California’s Vaccination Rate Slips as Medical Exemptions Rise
vendredi 7 juin 2019, 13:00 , par Wired: Cult of Mac
The state tried to lift measles vaccination rates by blocking parents from opting out based on personal beliefs. But then medical exemptions started to rise.
https://www.wired.com/story/californias-vaccination-rate-slips-as-medical-exemptions-rise
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59 sources (15 en français)
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lun. 12 mai - 04:09 CEST
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