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8.4 aORHIV infection was strongly associated with cervical infection with multiple high-risk HPV types (adjusted Odds ratio: 8.4).

Tchadhigh-risk HPV · VIH/sidaobserved 2018published 2019PloS onePubMeddocument of 9 observations

22.9 %The prevalence of HPV infection was 22.9% among adult women living in N'Djamena, Chad.

Tchadinfection à HPVobserved 2018published 2019PloS onePubMeddocument of 9 observations

15.8 %The prevalence of high-risk HPV (HR-HPV) infection was 15.8% among adult women living in N'Djamena, Chad.

Tchadhigh-risk HPV (HR-HPV) infectionobserved 2018published 2019PloS onePubMeddocument of 9 observations

62.8 %The overall prevalence of anal shedding of HPV DNA among MSM in N'Djamena was 62.8%.

Tchadinfection à HPVpublished 2026PloS onePubMeddocument of 10 observations

54.3 %The prevalence of high-risk HPV (HR-HPV) anal shedding among MSM in N'Djamena was 54.3%.

Tchadinfection à HPVpublished 2026PloS onePubMeddocument of 10 observations

5.7 %Overall HIV prevalence among MSM in N'Djamena was 5.7%.

TchadVIH/sidapublished 2026PloS onePubMeddocument of 10 observations

13.2 aORHIV infection was strongly associated with cervical high-risk HPV infection (adjusted Odds ratio: 13.2).

Tchadhigh-risk HPV · VIH/sidaobserved 2018published 2019PloS onePubMeddocument of 9 observations

7.5 %Among 266 childbearing-aged women attending a gynecological clinic in Chad, 20 (7.5%) were positive for hepatitis B virus surface antigen.

Tchadhépatite Bpublished 2018Open forum infectious diseasesPubMeddocument of 4 observations

8.9 aORHIV infection was strongly associated with cervical infection with multiple HPV types (adjusted Odds ratio: 8.9).

Tchadinfection à HPV · VIH/sidaobserved 2018published 2019PloS onePubMeddocument of 9 observations

68.3 %In 2015, Chad reported a monthly seasonal malaria chemoprevention coverage rate of 68.3%.

Tchadpaludismeobserved 2015HAL · Unilimdocument of 110 observations

36.8 %36.8% of all detected HPV genotypes were covered by the Gardasil-9® vaccine.

Tchadinfection à HPVpublished 2026PloS onePubMeddocument of 10 observations

63.1 %63.1% of detected HPV genotypes were not covered by the Gardasil-9® vaccine.

Tchadinfection à HPVpublished 2026PloS onePubMeddocument of 10 observations

14.3 %Among 266 childbearing-aged women attending a gynecological clinic in Chad, chronic viral infections were diagnosed in 1 of 7 (14.3%) women.

Tchadviral infectionspublished 2018Open forum infectious diseasesPubMeddocument of 4 observations

Active case search data from June 2026 revealed a high burden of unreported suspected VPDs, primarily measles, concentrated in the East and Southern Africa Block (Mozambique, Malawi, Tanzania, Ethiopia, Kenya, Zambia, and Madagascar), in the DRC-Angola Block (DRC and Angola), in the West Block (Benin, Togo and Guinea), and in the Lake Chad Basin (Nigeria, Chad, Cameroon and Central African Republic).

Angola · Bénin · Cameroun · Éthiopie · Guinée · Kenya · Madagascar · Malawi · Mozambique · Nigeria · RDC · Tanzanie · Tchad · Togo · Zambierougeole · VPDsobserved June 2026WHO Africadocument of 17 observations

17.4 aORHIV infection was strongly associated with cervical infection with any HPV (adjusted Odds ratio: 17.4).

Tchadinfection à HPV · VIH/sidaobserved 2018published 2019PloS onePubMeddocument of 9 observations

3.5 %3.5% of the enrolled women were HIV-positive.

TchadVIH/sidaobserved 2018published 2019PloS onePubMeddocument of 9 observations

3.7 %Among 266 childbearing-aged women attending a gynecological clinic in Chad, 10 (3.7%) were seropositive for HIV.

TchadVIH/sidapublished 2018Open forum infectious diseasesPubMeddocument of 4 observations

27.6 %27.6% of the enrolled women were infected with multiple HPV genotypes.

Tchadinfection à HPVobserved 2018published 2019PloS onePubMeddocument of 9 observations

6 countriesSix of the 13 countries contributing to 95% of global visceral leishmaniasis cases are in the African Region: Chad, Eritrea, Ethiopia, Kenya, South Sudan and Uganda.

Éthiopie · Kenya · Ouganda · Tchadvisceral leishmaniasisWHO Africadocument of 9 observations

3 %Among 266 childbearing-aged women attending a gynecological clinic in Chad, 8 (3.0%) were seropositive for hepatitis C virus (HCV).

Tchadhépatite Cpublished 2018Open forum infectious diseasesPubMeddocument of 4 observations

53 %In 2016, Chad reported a monthly Ministry of Health seasonal malaria chemoprevention coverage rate of 53%.

Tchadpaludismeobserved 2016HAL · Unilimdocument of 110 observations

77 casesIn Chad, there were 77 cholera cases and 4 deaths from July 2025 to July 2025.

Tchadcholéraobserved Jul 2025Africa CDCdocument of 176 observations

51 %In Chad, 51% of cholera cases were among children under 15 years old.

Tchadcholéraobserved Jul 2025Africa CDCdocument of 176 observations

67.5 %HPV types targeted by the Gardasil-9 vaccine were detected in 67.5% of HPV-infected women.

Tchadinfection à HPVobserved 2018published 2019PloS onePubMeddocument of 9 observations