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Oral cholera vaccination coverage in an acute emergency setting in Somalia, 2017

Lubogo, Mutaawe, Mohamed, Ahmed M., Ali, Abdullahi H., Ali, Aden H., Popal, Ghulam R., Kiongo, David, Bile, Khalif Mohamud, Malik, Mamunur, Abubakar, Abdinasir
Vaccine 2020 v.38 pp. A141
cholera, households, sanitation, surveys, vaccination, vaccines, Somalia
The first oral cholera vaccination (OCV) campaign in Somalia was implemented between March and October 2017. It was the first time the Ministry of Health had introduced and used OCV as part of the cholera prevention and control strategies. The Ministry of Health aimed to cover 1.1 million people ≥ 1 year with 2 doses of the OCV in 11 high-risk districts. Overall, 2-dose administrative OCV coverage in all targeted districts was 95.5%. Following the campaign, a random sample survey was conducted in 9 out of 11districts to evaluate coverage, awareness, reasons for non-vaccination, the water and sanitation status of households, and any resulting adverse events. The survey was conducted in 2 phases. Of the 3,715 eligible individuals in the first phase, 92.5% (95% CI 91.4–93.6%) received 2 doses of the OCV and 7.0% (95% CI 6.0–8.2%) 1 dose. In the second phase, of 1,926 individuals, 94.1% (95% CI 92.9–95.1%) received 2 doses and 2.6% (95% CI 2.0–3.4%) 1 dose. Despite challenges, this experience shows that OCV campaigns can be implemented in acute humanitarian settings through existing immunization structures.