Christian Tientcha Happi

Biography

Publications

• Global approaches to infectious disease surveillance and modeling.

  Khurana MP, Tsui JL, Gutierrez B, Chopra A, Scheidwasser N, Zhu HBH, Chang SY, Duchêne DA, Mills C, Inward RPD, Reddy B, Brittain J, Dasgupta A, Sheldon J, Githinji G, Brownstein JS, Monod M, Ferretti L, Bershan S, Tietze S, Ferres L, Argimón S, Dallman TJ, Koua E, Ratmann O, Cauchemez S, Meyers LA, Su L, Vespignani A, Pronyk P, O'Toole Á, Rambaut A, Loman NJ, Holmes EC, Flaxman S, Mulder N, Morgan OW, Tegally H, Gomez-Rodriguez M, Shadbolt N, Happi C, Chand M, Tessema SK, Mbala-Kingebeni P, Suchard MA, Pybus OG, Scarpino SV, Bhatt S, Kraemer MUG. Nat Med 2026

  PMID: 42162297

• Characterization of the first complete genome sequence of yellow fever virus (YFV) in Sierra Leone: Implications for public health.

  Sandi JD, Brock-Fisher TM, Kallon TMPS, Paye MF, Fofanah IU, Nosamiefan D, Kamara MS, Teh AJ, Turay A, Wilkason C, Baudi I, Tomkins-Tinch C, I'Anson C, Stachler E, Pekar JE, Ozonoff A, Park D, Happi C, Sabeti PC, Grant DS. PLoS Negl Trop Dis 2026 05

  PMID: 42149940

• Genomic epidemiology of the 2025 mpox epidemic in Sierra Leone.

  Campbell AKO, Sandi JD, Omah IF, Faye M, Parker E, Brock-Fisher T, Gigante CM, Folorunso V, Kamara MS, Williams AJ, Kane M, Kallon TMPS, Campbell J, Sesay KS, Mani S, Miller C, Sesay ND, Baimba F, Ndiaye M, Lansana R, Fofanah IU, Ruhweza S, Souma Z, Kargbo A, Koninga K, Tia A, Ngobeh J, Thoronka F, Fofanah A, Ozonoff A, Wilkason C, Park D, Tomkins-Tinch C, Paye MF, Shin C, Baudi I, Blumenstiel B, Varilly P, Specht I, Fry B, Zhao K, Cronan P, Laning E, Ope-Ewe OO, Sijuwola AE, Saibu F, Soumare H, Ogundana EK, Obaado RO, Adole JA, Kio IK, Njeandoh FA, Tuttle A, Oguta WO, Greene J, Koroma A, Kanu J, Barry MA, Gaye A, Diouf AM, Hughes C, Levy JI, N'jai A, Diagne MM, Nosamiefan D, Ameh G, Klena J, Foster MA, Kebede A, Tanui C, Diallo B, Happi A, Tessema S, Sow A, Kebede Y, Wurie I, Squire J, Harding D, Koroma Z, Jalloh MB, Sall AA, Andersen KG, Rambaut A, Vandi MA, Fall IS, Sabeti P, Happi C, Sahr F, Grant DS. Nat Med 2026

  PMID: 42120729

• Tackling the global health research financing emergency to sustain national health research ecosystems.

  Rasanathan K, Compaoré R, Chopra M, El-Jardali F, Ghaffar A, Happi C, Kariuki T, Knezovich J, Mirzoev T, Moon S, Ntusi NAB, Ohiri K, Ramani S, Ren M, Saminarsih D, Saphonn V, Schneider H, Srinivas PN, Swaminathan S, Tsofa B, Wanyenze RK, Røttingen JA. Lancet 2026 Apr 18

  PMID: 41997164

• COVID19 Sero-epidemiology and vaccine uptake in two Southern Nigerian clinics.

  Ugwu CA, Odebode O, Ajayi IO, Olubunmi J, Ifeoluwa B, Adole JA, Akano K, Okolie J, Eromon P, Kio IK, Amadi J, Adebayo PF, Mgbeokwere I, Lawal AO, Adegoke OA, Adeyemi AO, Owhin S, Ayodeji OO, Ahmed A, Henshaw E, Eyitayo ON, Sylvester AA, Omidele A, Emilola K, Funmilayo O, Oyewale Rufus A, Olakunle OO, Oluwaseun O, Matta AM, Bedekar P, Dahmash L, Forconi CS, Moormann AM, Dinglasan RR, Happi CT, Binder RA. PLOS Glob Public Health 2026

  PMID: 41894443