No abstract available
Keywords:
Hajj; India; Umrah; mass gathering; meningitis; meningococcal vaccines; polio.
MeSH terms
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Crowding*
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Humans
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Islam*
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Meningitis, Meningococcal / epidemiology
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Meningitis, Meningococcal / prevention & control*
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Meningitis, Meningococcal / transmission
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Meningococcal Vaccines / administration & dosage
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Meningococcal Vaccines / supply & distribution*
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Neisseria meningitidis
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Saudi Arabia / epidemiology
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Travel*