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New-generation vaccines against cholera

Forskningsöversiktsartikel
Författare John Clemens
S Shin
D Sur
GB Nair
Jan Holmgren
Publicerad i NATURE REVIEWS GASTROENTEROLOGY & HEPATOLOGY
Volym 8
Nummer/häfte 12
Sidor 701-710
ISSN 1759-5045
Publiceringsår 2011
Publicerad vid Institutionen för biomedicin
Sidor 701-710
Språk en
Länkar dx.doi.org/10.1038/nrgastro.2011.17...
Ämneskategorier Medicinska grundvetenskaper

Sammanfattning

Cholera is a major global health problem, causing approximately 100,000 deaths annually, about half of which occur in sub-Saharan Africa. Although early-generation parenteral cholera vaccines were abandoned as public health tools owing to their limited efficacy, newer-generation oral cholera vaccines have attractive safety and protection profiles. Both killed and live oral vaccines have been licensed, although only killed oral vaccines are currently manufactured and available. These killed oral vaccines not only provide direct protection to vaccinated individuals, but also confer herd immunity. The combination of direct vaccine protection and vaccine herd immunity effects makes these vaccines highly cost-effective and, therefore, attractive for use in developing countries. Administration of these oral vaccines does not require qualified medical personnel, which makes their use practical--even in developing countries. Although new-generation oral cholera vaccines should not be considered in isolation from other preventive approaches, especially improved water quality and sanitation, they represent important tools in the public health armamentarium to control both endemic and epidemic cholera.

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