Use of OCV in the Field

OCV campaign in Guinea shows vaccination can be done - even during an outbreak

Denise DeRoeck

Independent Consultant

Ever since the first oral cholera vaccines (OCVs) appeared on the global market in 1991, many in the international health community have been skeptical about its use to control an ongoing outbreak. A major argument against reactive cholera vaccination – vaccination in response to an outbreak – was that most countries experiencing cholera outbreaks could not successfully mount vaccination campaigns quickly and that the campaign would divert time, effort and resources from more effective and longer-term measures for controlling cholera, such as improvements in water and sanitation and health education.