منابع مشابه
Vaccination saves lives--dare we allow the anti-vaccine lobbyists to prevent it?
Vaccines are one of the safest and most effective tools available in efforts to control and prevent many infectious diseases. When the Expanded Programme on Immunization (EPI) was established by the World Health Assembly (WHA) in 1974, only about 5% of the world's children were immunised against polio, diphtheria, tuberculosis, measles, pertussis and tetanus. In 2014, 40 years later, 83% were i...
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ژورنال
عنوان ژورنال: Journal of Adolescent & Adult Literacy
سال: 2017
ISSN: 1081-3004
DOI: 10.1002/jaal.665