F. Andre, R. Booy, H. L. Bock, J. Clemens, S. K. Datta et al., Vaccination greatly reduces disease, disability, death and inequity worldwide, Bull. World Heal. Organ, vol.86, pp.140-146, 2008.

L. A. Lee, L. Franzel, J. Atwell, S. D. Datta, I. K. Friberg et al., The estimated mortality impact of vaccinations forecast to be administered during 2011-2020 in 73 countries supported by the GAVI Alliance, vol.31, pp.61-72, 2013.

, World Health Organization. BCG Vaccines: WHO Position Paper-February, vol.93, pp.73-96, 2018.

, World Health Organization. Polio Vaccines: WHO Position Paper-March, The Weekly Epidemiological Record, vol.91, pp.145-68, 2016.

, Hepatitis B Vaccines: WHO Position Paper, The Weekly Epidemiological Record, vol.27, pp.369-392, 2017.

P. Roy, J. Vekemans, A. Clark, C. Sanderson, R. C. Harris et al., Potential effect of age of BCG vaccination on global paediatric tuberculosis mortality: a modelling study, Lancet Glob. Heal, vol.7, pp.1655-1663, 2019.

J. P. Higgins, K. Soares-weiser, J. Lopez-lopez, A. Kakourou, K. Chaplin et al., Association of BCG, DTP, and measles containing vaccines with childhood mortality: systematic review, BMJ, vol.355, p.5170, 2016.

N. Lund, A. Andersen, A. S. Hansen, F. S. Jepsen, A. Barbosa et al., The Effect of Oral Polio Vaccine at Birth on Infant Mortality: A Randomized Trial, Clin. Infect. Dis, vol.61, pp.1504-1511, 2015.

, Mortality Rate, Infant (per 1000 Live Births) | Data, 2018.

, World Health Organization. WHO Vaccine-Preventable Diseases: Monitoring System, p.29, 2019.

, World Health Organization. Global and Regional Immunization Profile. African Region, 2019.

A. Clark and C. Sanderson, Timing of children's vaccinations in 45 low-income and middle-income countries: an analysis of survey data, Lancet, vol.373, pp.1543-1549, 2009.

, WHO/UNICEF Joint Reporting Process, 2019.

A. Liberati, D. G. Altman, J. Tetzlaff, C. Mulrow, P. C. Gøtzsche et al., The PRISMA statement for reporting systematic reviews and meta-analyses of studies that evaluate health care interventions: Explanation and elaboration, J. Clin. Epidemiol, vol.62, pp.1-34, 2009.

M. Egger, G. D. Smith, and D. Altman, Systematic Reviews in Health Care: Meta-Analysis in Context, p.512, 2001.

V. N. Nyaga, M. Arbyn, and M. Aerts, Metaprop: a Stata command to perform meta-analysis of binomial data, vol.72, pp.1-10, 2014.

M. F. Freeman and J. W. Tukey, Transformations Related to the Angular and the Square Root, Ann. Math. Stat, vol.21, pp.607-611, 1950.

R. Dersimonian and N. Laird, Meta-analysis in clinical trials, Control. Clin. Trials, vol.7, pp.177-88, 1986.

Z. Wagner, P. G. Szilagyi, and N. Sood, Comparative performance of public and private sector delivery of BCG vaccination: Evidence from Sub-Saharan Africa, Vaccine, vol.32, pp.4522-4528, 2014.

D. J. Coetzee, P. Ferrinho, and S. G. Reinach, A vaccination survey using the EPI methodology ot evaluate the impact of a child health outreach programme in an urban area of South Africa, Bull. World Heal. Organ, vol.71, pp.33-39, 1993.

A. Roth, H. Jensen, M. Garly, Q. Djana, C. Martins et al., Low birth weight infants and Calmette-Guérin bacillus vaccination at birth: community study from Guinea-Bissau, Pediatr. Infect. Dis. J, vol.23, pp.544-550, 2004.

A. Jahn, S. Floyd, V. Mwinuka, J. Mwafilaso, D. Mwagomba et al., Ascertainment of childhood vaccination histories in northern Malawi, Trop. Med. Int. Heal, vol.13, pp.129-138, 2008.

J. C. Moïsi, J. Kabuka, R. Mitingi, O. S. Levine, and J. A. Scott, Spatial and socio-demographic predictors of time-to-immunization in a rural area in Kenya: Is equity attainable? Vaccine, vol.28, pp.5725-5730, 2010.

L. T. Fadnes, D. Jackson, I. M. Engebretsen, W. Zembe-mkabile, D. Sanders et al., Vaccination coverage and timeliness in three South African areas: A prospective study, p.404, 2011.

B. E. Adebayo, R. E. Oladokun, and F. O. Akinbami, Immunization Coverage in A Rural Community in Southwestern Nigeria, J. Vaccines Vaccin, vol.3, pp.1-6, 2012.

J. N. Babirye, I. M. Engebretsen, F. Makumbi, L. T. Fadnes, H. Wamani et al., Timeliness of Childhood Vaccinations in Kampala Uganda: A Community-Based Cross-Sectional Study, PLoS ONE, vol.7, p.35432, 2012.

A. Schoeps, N. Ouedraogo, M. Kagone, A. Sié, O. Muller et al., Socio-demographic determinants of timely adherence to BCG, Penta3, measles, and complete vaccination schedule in Burkina Faso, Vaccine, vol.32, pp.96-102, 2013.

O. L. Waroux, J. R. Schellenberg, F. Manzi, M. Mrisho, K. Shirima et al., Timeliness and completeness of vaccination and risk factors for low and late vaccine uptake in young children living in rural southern Tanzania, Int. Heal, vol.5, pp.139-147, 2013.

L. M. Calhoun, A. M. Van-eijk, K. A. Lindblade, F. O. Odhiambo, M. L. Wilson et al., Determinants and Coverage of Vaccination in Children in Western Kenya from a 2003 Cross-Sectional Survey, Am. J. Trop. Med. Hyg, vol.90, pp.234-241, 2014.

L. Gram, S. Soremekun, A. T. Asbroek, A. Manu, M. O'leary et al., Socio-economic determinants and inequities in coverage and timeliness of early childhood immunisation in rural Ghana, Trop. Med. Int. Heal, vol.19, pp.802-811, 2014.

D. O. Laryea, E. A. Parbie, and E. Frimpong, Timeliness of childhood vaccine uptake among children attending a tertiary health service facility-based immunisation clinic in Ghana, vol.14, p.90, 2014.

A. E. Sadoh and A. Ofili, Hepatitis B infection among Nigerian children admitted to a children's emergency room, Afr. Heal. Sci, vol.14, pp.377-383, 2014.

S. M. Thysen, S. Byberg, M. Pedersen, A. Rodrigues, H. Ravn et al., BCG coverage and barriers to BCG vaccination in Guinea-Bissau: an observational study, vol.14, p.1037, 2014.

A. Odutola, M. Afolabi, E. O. Ogundare, Y. N. Lowe-jallow, A. Worwui et al., Risk factors for delay in age-appropriate vaccinations among Gambian children, BMC Heal. Serv. Res, vol.15, p.346, 2015.

F. Lutwama, B. M. Kagina, A. Wajja, F. Waiswa, N. Mansoor et al., Distinct T-Cell Responses When BCG Vaccination Is Delayed From Birth to 6 Weeks of Age in Ugandan Infants, J. Infect. Dis, vol.209, pp.887-897, 2013.

D. G. Gibson, B. Ochieng, E. W. Kagucia, D. Obor, F. Odhiambo et al., Individual level determinants for not receiving immunization, receiving immunization with delay, and being severely underimmunized among rural western Kenyan children, vol.33, pp.6778-6785, 2015.

R. Miyahara, M. Jasseh, P. Gomez, Y. Shimakawa, B. Greenwood et al., Barriers to timely administration of birth dose vaccines in The Gambia, vol.34, pp.3335-3341, 2016.
URL : https://hal.archives-ouvertes.fr/pasteur-02875286

M. O'leary, K. Edmond, S. Floyd, L. Hurt, C. Shannon et al., Neonatal vaccination of low birthweight infants in Ghana, Arch. Dis. Child, vol.102, pp.145-151, 2016.

D. G. Gibson, B. Ochieng, E. W. Kagucia, J. Were, K. Hayford et al., Mobile phone-delivered reminders and incentives to improve childhood immunisation coverage and timeliness in Kenya (M-SIMU): A cluster randomised controlled trial, Lancet Glob. Heal, vol.5, pp.428-438, 2017.

A. Schweitzer, M. K. Akmatov, and G. Krause, Hepatitis B vaccination timing: results from demographic health surveys in 47 countries, Bull. World Heal. Organ, vol.95, pp.199-209, 2017.

P. N. Zivich, L. Kiketa, B. Kawende, B. Lapika, and M. Yotebieng, Vaccination Coverage and Timelines Among Children 0-6 Months in Kinshasa, the Democratic Republic of Congo: A Prospective Cohort Study. Matern. Child Heal, vol.21, pp.1055-1064, 2017.

B. D. Schoub, S. Johnson, J. M. Mcanerney, N. Blackburn, M. C. Kew et al., Integration of hepatitis B vaccination into rural African primary health care programmes, BMJ, vol.302, pp.313-316, 1991.

A. E. Sadoh and C. Eregie, Age at presentation for infant immunization in Nigeria: Implications for hepatitis B immunization. Public Heal, vol.122, pp.1318-1320, 2008.

A. E. Sadoh and C. O. Eregie, Timeliness and Completion Rate of Immunization among Nigerian Children Attending a Clinic-based Immunization Service, J. Heal. Popul. Nutr, vol.27, pp.391-395, 2009.

B. O. Olusanya, Pattern and determinants of BCG immunisation delays in a sub-Saharan African community, Heal. Res. Policy Syst, vol.8, p.1, 2010.

A. Sadoh, W. Sadoh, J. Uduebor, P. Ekpebe, and O. Iguodala, Factors contributing to delay in commencement of immunisation in Nigerian infants, Tanzan J. Health Res, vol.15, pp.1-8, 2013.

P. K. Borus, Missed opportunities and inappropriately given vaccines reduce immunisation coverage in facilities that serve slum areas of Nairobi, East Afr. Med. J, vol.81, pp.124-129, 2004.

L. Kidanne, F. Bisrat, B. Dinku, M. Lynch, and M. Fantahun, Newborn tracking for polio birth dose vaccination in pastoralist and semi-pastoralist CORE Group Polio Project implementation districts (woredas) in Ethiopia, Ethiop. Med. J, vol.51, pp.1-12, 2013.

C. Hoest, J. C. Seidman, G. Lee, J. Platts-mills, A. Ali et al., Vaccine coverage and adherence to EPI schedules in eight resource poor settings in the MAL-ED cohort study, vol.35, pp.443-451, 2016.

Y. Shimakawa, H. Yan, N. Tsuchiya, C. Bottomley, and A. J. Hall, Association of Early Age at Establishment of Chronic Hepatitis B Infection with Persistent Viral Replication, Liver Cirrhosis and Hepatocellular Carcinoma: A Systematic Review, PLoS ONE, issue.8, p.69430, 2013.
URL : https://hal.archives-ouvertes.fr/pasteur-02875324

Y. Shimakawa, M. Lemoine, H. F. Njai, C. Bottomley, G. Ndow et al., Natural history of chronic HBV infection in West Africa: a longitudinal population-based study from The Gambia, Gut, vol.65, pp.2007-2016, 2015.
URL : https://hal.archives-ouvertes.fr/pasteur-02875302

S. Nayagam, Y. Shimakawa, and M. Lemoine, Mother-to-child transmission of hepatitis B: What more needs to be done to eliminate it around the world?, J. Viral Hepat, vol.27, pp.342-349, 2020.
URL : https://hal.archives-ouvertes.fr/pasteur-02875220

F. Guerra and F. A. Guerra, Delays in Immunization Have Potentially Serious Health Consequences, Pediatr. Drugs, vol.9, pp.143-148, 2007.

E. Moturi, C. Tevi-benissan, J. Hagan, S. Shendale, D. Mayenga et al., Implementing a Birth Dose of Hepatitis B Vaccine in Africa: Findings from Assessments in 5 Countries, J. Immunol. Sci, vol.2, pp.31-40, 2018.

, Global Delivery Care Coverage and Treands. Percentage of Births Assisted by a Skilled Birth Attendant, by Country, 2014.

R. D. Allison, M. K. Patel, and R. A. Tohme, Hepatitis B vaccine birth dose coverage correlates worldwide with rates of institutional deliveries and skilled attendance at birth, vol.35, pp.4094-4098, 2017.

N. Scott, A. Palmer, C. Morgan, O. Lesi, C. W. Spearman et al., Cost-effectiveness of the controlled temperature chain for the hepatitis B virus birth dose vaccine in various global settings: a modelling study, Lancet Glob. Heal, vol.6, pp.659-667, 2018.