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US changes polio vaccination programme

BMJ 1997; 314 doi: https://doi.org/10.1136/bmj.314.7079.461i (Published 15 February 1997) Cite this as: BMJ 1997;314:461
  1. Deborah Johnson
  1. Connecticut

    The United States Centers for Disease Control and Prevention has issued new guidelines for administering the polio vaccine after determining that nearly all cases of paralytic polio contracted recently in the country were caused by the oral polio vaccine.

    Two types of polio vaccine are available: the Sabin vaccine consists of live attenuated virus, which is administered orally, and the Salk vaccine consists of inactivated …

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