Items where Author is "Ojal, John"
Number of items: 24.
2021
COVID-19 transmission dynamics underlying epidemic waves in Kenya. (2021)
Brand, Samuel PC; Ojal, John; Aziza, Rabia; Were, Vincent; Okiro, Emelda A; Kombe, Ivy K; Mburu, Caroline; Ogero, Morris; Agweyu, Ambrose; Warimwe, George M; Nyagwange, James; Karanja, Henry; Gitonga, John N; Mugo, Daisy; Uyoga, Sophie; Adetifa, Ifedayo MO; Scott, J Anthony G; Otieno, Edward; Murunga, Nickson; Otiende, Mark; Ochola-Oyier, Lynette I; Agoti, Charles N; Githinji, George; Kasera, Kadondi; Amoth, Patrick; Mwangangi, Mercy; Aman, Rashid; Ng'ang'a, Wangari; Tsofa, Benjamin; Bejon, Philip; Keeling, Matt J; Nokes, D James; Barasa, Edwine
The importance of supplementary immunisation activities to prevent measles outbreaks during the COVID-19 pandemic in Kenya. (2021)
Mburu, CN; Ojal, J; Chebet, R; Akech, D; Karia, B; Tuju, J; Sigilai, A; Abbas, K; Jit, M; Funk, S; Smits, G; van Gageldonk, PGM; van der Klis, FRM; Tabu, C; Nokes, DJ; LSHTM CMMID COVID-19 Working Group; Scott, Jag; Flasche, S; Adetifa, Imo
2020
Estimating the contribution of different age strata to vaccine serotype pneumococcal transmission in the pre vaccine era: a modelling study. (2020)
Flasche, Stefan; Lipsitch, Marc; Ojal, John; Pinsent, Amy
Revealing the extent of the COVID-19 pandemic in Kenya based on serological and PCR-test data. (2020)
Ojal, John; Brand, Samuel PC; Were, Vincent; Okiro, Emelda A; Kombe, Ivy K; Mburu, Caroline; Aziza, Rabia; Ogero, Morris; Agweyu, Ambrose; Warimwe, George M; Uyoga, Sophie; Adetifa, Ifedayo MO; Scott, J Anthony G; Otieno, Edward; Ochola-Oyier, Lynette I; Agoti, Charles N; Kasera, Kadondi; Amoth, Patrick; Mwangangi, Mercy; Aman, Rashid; Ng’ang’a, Wangari; Tsofa, Benjamin; Bejon, Philip; Barasa, Edwine; Keeling, Matt J; Nokes, D James
Vaccine strategies to reduce the burden of pneumococcal disease in HIV-infected adults in Africa. (2020)
Thindwa, Deus; Pinsent, Amy; Ojal, John; Gallagher, Katherine E; French, Neil; Flasche, Stefan
2019
Effect of ten-valent pneumococcal conjugate vaccine on invasive pneumococcal disease and nasopharyngeal carriage in Kenya: a longitudinal surveillance study. (2019)
Hammitt, Laura L; Etyang, Anthony O; Morpeth, Susan C; Ojal, John; Mutuku, Alex; Mturi, Neema; Moisi, Jennifer C; Adetifa, Ifedayo M; Karani, Angela; Akech, Donald O; Otiende, Mark; Bwanaali, Tahreni; Wafula, Jackline; Mataza, Christine; Mumbo, Edward; Tabu, Collins; Knoll, Maria Deloria; Bauni, Evasius; Marsh, Kevin; Williams, Thomas N; Kamau, Tatu; Sharif, Shahnaaz K; Levine, Orin S; Scott, J Anthony G
Sustaining pneumococcal vaccination after transitioning from Gavi support: a modelling and cost-effectiveness study in Kenya. (2019)
Ojal, John; Griffiths, Ulla; Hammitt, Laura L; Adetifa, Ifedayo; Akech, Donald; Tabu, Collins; Scott, J Anthony G; Flasche, Stefan
Sustaining pneumococcal vaccination after transitioning from Gavi support: a modelling and cost-effectiveness study in Kenya. (2019)
Ojal, John; Griffiths, Ulla; Hammitt, Laura L; Adetifa, Ifedayo; Akech, Donald; Tabu, Collins; Scott, J Anthony G; Flasche, Stefan
The epidemiology of sickle cell disease in children recruited in infancy in Kilifi, Kenya: a prospective cohort study. (2019)
Uyoga, Sophie; Macharia, Alex W; Mochamah, George; Ndila, Carolyne M; Nyutu, Gideon; Makale, Johnstone; Tendwa, Metrine; Nyatichi, Emily; Ojal, John; Otiende, Mark; Shebe, Mohammed; Awuondo, Kennedy O; Mturi, Neema; Peshu, Norbert; Tsofa, Benjamin; Maitland, Kathryn; Scott, J Anthony G; Williams, Thomas N
2018
Human candidate gene polymorphisms and risk of severe malaria in children in Kilifi, Kenya: a case-control association study. (2018)
Ndila, Carolyne M; Uyoga, Sophie; Macharia, Alexander W; Nyutu, Gideon; Peshu, Norbert; Ojal, John; Shebe, Mohammed; Awuondo, Kennedy O; Mturi, Neema; Tsofa, Benjamin; Sepúlveda, Nuno; Clark, Taane G; Band, Gavin; Clarke, Geraldine; Rowlands, Kate; Hubbart, Christina; Jeffreys, Anna; Kariuki, Silvia; Marsh, Kevin; Mackinnon, Margaret; Maitland, Kathryn; Kwiatkowski, Dominic P; Rockett, Kirk A; Williams, Thomas N; MalariaGEN Consortium
2017
Assessing the efficiency of catch-up campaigns for the introduction of pneumococcal conjugate vaccine: a modelling study based on data from PCV10 introduction in Kilifi, Kenya. (2017)
Flasche, Stefan; Ojal, John; Le Polain de Waroux, Olivier; Otiende, Mark; O'Brien, Katherine L; Kiti, Moses; Nokes, D James; Edmunds, W John; Scott, J Anthony G
The clinical epidemiology of sickle cell anemia In Africa. (2017)
Macharia, Alex W; Mochamah, George; Uyoga, Sophie; Ndila, Carolyne M; Nyutu, Gideon; Makale, Johnstone; Tendwa, Metrine; Nyatichi, Emily; Ojal, John; Shebe, Mohammed; Awuondo, Kennedy O; Mturi, Neema; Peshu, Norbert; Tsofa, Benjamin; Scott, J Anthony G; Maitland, Kathryn; Williams, Thomas N
Sustained reduction in vaccine-type invasive pneumococcal disease despite waning effects of a catch-up campaign in Kilifi, Kenya: A mathematical model based on pre-vaccination data. (2017)
Ojal, John; Flasche, Stefan; Hammitt, Laura L; Akech, Donald; Kiti, Moses C; Kamau, Tatu; Adetifa, Ifedayo; Nurhonen, Markku; Scott, J Anthony G; Auranen, Kari
Effect of Maternally Derived Anti-protein and Anticapsular IgG Antibodies on the Rate of Acquisition of Nasopharyngeal Carriage of Pneumococcus in Newborns. (2017)
Ojal, John; Goldblatt, David; Tigoi, Caroline; Scott, J Anthony G
Pneumococcal conjugate vaccine induced IgG and nasopharyngeal carriage of pneumococci: Hyporesponsiveness and immune correlates of protection for carriage. (2017)
Ojal, John; Hammitt, Laura L; Gaitho, John; Scott, J Anthony G; Goldblatt, David
2014
Burden of disease in adults admitted to hospital in a rural region of coastal Kenya: an analysis of data from linked clinical and demographic surveillance systems. (2014)
Etyang, Anthony O; Munge, Kenneth; Bunyasi, Erick W; Matata, Lena; Ndila, Carolyne; Kapesa, Sailoki; Owiti, Maureen; Khandwalla, Iqbal; Brent, Andrew J; Tsofa, Benjamin; Kabibu, Pamela; Morpeth, Susan; Bauni, Evasius; Otiende, Mark; Ojal, John; Ayieko, Philip; Knoll, Maria D; Smeeth, Liam; Williams, Thomas N; Griffiths, Ulla K; Scott, J Anthony G
Immunogenicity, impact on carriage and reactogenicity of 10-valent pneumococcal non-typeable Haemophilus influenzae protein D conjugate vaccine in Kenyan children aged 1-4 years: a randomized controlled trial. (2014)
Hammitt, Laura L; Ojal, John; Bashraheil, Mahfudh; Morpeth, Susan C; Karani, Angela; Habib, Ahsan; Borys, Dorota; Goldblatt, David; Scott, J Anthony G
The INDEPTH standard population for low- and middle-income countries, 2013. (2014)
Sankoh, Osman; Sharrow, David; Herbst, Kobus; Whiteson Kabudula, Chodziwadziwa; Alam, Nurul; Kant, Shashi; Ravn, Henrik; Bhuiya, Abbas; Thi Vui, Le; Darikwa, Timotheus; Gyapong, Margaret; Jasseh, Momodou; Chuc Thi Kim, Nguyen; Abdullah, Salim; Crampin, Amelia; Ojal, John; Owusu-Agyei, Seth; Odhiambo, Frank; Urassa, Mark; Streatfield, Kim; Shimada, Masaaki; Sacoor, Charfudin; Beguy, Donatien; Derra, Karim; Wak, George; Delaunay, Valerie; Sie, Ali; Soura, Abdramane; Diallo, Diadier; Wilopo, Siswanto; Masanja, Honorati; Bonfoh, Bassirou; Phuanukoonnon, Suparat; Clark, Samuel J
2012
Profile: The Kilifi Health and Demographic Surveillance System (KHDSS). (2012)
Scott, J Anthony G; Bauni, Evasius; Moisi, Jennifer C; Ojal, John; Gatakaa, Hellen; Nyundo, Christopher; Molyneux, Catherine S; Kombe, Francis; Tsofa, Benjamin; Marsh, Kevin; Peshu, Norbert; Williams, Thomas N
Rates of acquisition of pneumococcal colonization and transmission probabilities, by serotype, among newborn infants in Kilifi District, Kenya. (2012)
Tigoi, Caroline C; Gatakaa, Hellen; Karani, Angela; Mugo, Daisy; Kungu, Stella; Wanjiru, Eva; Jomo, Jane; Musyimi, Robert; Ojal, John; Glass, Nina E; Abdullahi, Osman; Scott, J Anthony G
2011
Acute seizures attributable to falciparum malaria in an endemic area on the Kenyan coast. (2011)
Kariuki, Symon M; Ikumi, Michelle; Ojal, John; Sadarangani, Manish; Idro, Richard; Olotu, Ally; Bejon, Philip; Berkley, James A; Marsh, Kevin; Newton, Charles RJC
Excess child mortality after discharge from hospital in Kilifi, Kenya: a retrospective cohort analysis. (2011)
Moïsi, Jennifer C; Gatakaa, Hellen; Berkley, James A; Maitland, Kathryn; Mturi, Neema; Newton, Charles R; Njuguna, Patricia; Nokes, James; Ojal, John; Bauni, Evasius; Tsofa, Benjamin; Peshu, Norbert; Marsh, Kevin; Williams, Thomas N; Scott, J Anthony G
Pneumococcal conjugate vaccine given shortly after birth stimulates effective antibody concentrations and primes immunological memory for sustained infant protection. (2011)
Scott, J Anthony G; Ojal, John; Ashton, Lindsey; Muhoro, Anne; Burbidge, Polly; Goldblatt, David
