Chad
Status: affected by circulating vaccine-derived poliovirus type 2 (cVDPV2)
Polio this week in Chad
- No cVDPV2 cases were reported this week. There are four cases reported this year and 55 cases reported in 2023.
- One cVDPV2-positive environmental sample was reported in N’Djamena.
International Health Regulations
Chad is classified by the International Health Regulations (IHR) as a state infected with cVDPV2, with or without evidence of local transmission. It is therefore subject to temporary recommendations (issued as of March 2024).
Travel advice
WHO’s International Travel and Health recommends that all travellers to polio-affected areas be fully vaccinated against polio. Residents (and visitors for more than 4 weeks) from infected areas should receive an additional dose of OPV or inactivated polio vaccine (IPV) within 4 weeks to 12 months of travel.
