Ваксина: Разлика между версии

* {{cite web | publisher = United States Centers for Disease Control and Prevention | year = 2011 | url = https://www.cdc.gov/oid/docs/ID-Framework.pdf | title = A CDC framework for preventing infectious diseases | format = PDF | work = cdc.gov | archiveurl = https://web.archive.org/web/20170829133723/https://www.cdc.gov/oid/docs/ID-Framework.pdf | accessdate = 2012-09-11 | lang = en}}

* {{cite web | publisher = World Health Organization | year = 2012 | url = http://www.who.int/immunization/global_vaccine_action_plan/GVAP_doc_2011_2020/en/ | title = Global Vaccine Action Plan 2011 – 2020 | archiveurl = https://web.archive.org/web/20140414035449/http://www.who.int/immunization/global_vaccine_action_plan/GVAP_doc_2011_2020/en/ | work = who.int | accessdate = 2019-06-16 | lang = en}}

 

{{нормативен контрол}}