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Karen L. Kotloff

University of Maryland School of Medicine

82H-index
454Paper Count
3.4WCitation Count
Published Papers 190
Publication Date
Vulnerability to climate-driven pathogen-specific diarrheal diseases: secondary analysis from the Global Enteric Multicenter Study and Vaccine Impact on Diarrhea in Africa follow-up
err2026-08-06
err0
errOAAI
errMegan Kowalcyk; Kristopher B. Karnauskas; Indira Bose; Elizabeth J. Carlton; Samba Sow; M. Jahangir Hossain; Richard Omore; Karen Kotloff; Andrea Buchwald
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Persistence of Serum Bactericidal Antibody in the First 2 Years After Immunization With Pentavalent Meningococcal ACWYX Vaccine in Malian Infants and Toddlers
err2026-07-22
err0
PREAI
errWilbur H Chen; Fadima C Haidara; Fatoumata Diallo; Milagritos D Tapia; Fleesie A Hubbard; Mark R Alderson; William P Hausdorff; Lionel Martellet; Nancy Hosken; Dhananjay Kapse; Prasad S Kulkarni; Kelly Townsend-Payne; Ray Borrow; Christine M Posavad; Clifton W Kelly; Laina D Mercer; Samba O Sow; Karen L Kotloff
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Derivation and Validation of Clinical Prediction Models for Cryptosporidium-attributed Acute Diarrhea in African Children
err2026-07-16
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errOAAI
errLéna Mazza; Ben J Brintz; M Jahangir Hossain; Billy Ogwel; John B Ochieng; Jane Juma; Helen Powell; Adama Mamby Keita; Richard Omore; Samba O Sow; Karen L Kotloff; James A Platts-Mills; Andrew T Pavia; Daniel T Leung; null
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The consequences of Shigella medically-attended diarrhoea and other leading pathogens among young children living in high-burden settings: a multi-country prospective cohort study
err2026-06-01
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PREAI
errMategula, Donnie; Conteh, Bakary; McGrath, Christine J.; Feutz, Erika; Kotloff, Karen L.; Awuor, Alex O.; Islam, Md Taufiqul; Olortegui, Maribel Paredes; Qureshi, Sonia; Ahmed, Naveed; Ahmmed, Faisal; Atlas, Hannah E.; Badji, Henry; Ireen, Mahzabeen; Karim, Mehrab; Keita, Adama Mamby; Keita, Mariama; Khanam, Farhana; Liu, Jie; Munga, Stephen; Munthali, Vitumbiko Yagontha; Ndeketa, Latif; Ochieng, John Benjamin; Ogwel, Billy; Yori, Pablo Penataro; Garcia, Karin Francesca Perez; Platts-Mills, James A.; McQuade, Elizabeth T. Rogawski; Schultes, Olivia Lang; Sow, Samba O.; Sultana, Shazia; Tapia, Milagritos D.; Tennant, Sharon M.; Witte, Desiree; Yousafzai, Mohammad Tahir; Paredes, Loyda Fiorella Zegarra; Zaman, Khalequ; Nasrin, Dilruba; Houpt, Eric R.; Qamar, Farah Naz; Pavlinac, Patricia B.; Hossain, M. Jahangir; Omore, Richard; Jere, Khuzwayo C.; Kosek, Margaret N.
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Real-World Effectiveness of Rotavirus Vaccine against Rotavirus Disease among Children <2 Year of Age in Mali
err2026-04-25
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PREAI
errJacqueline E Tate; Samba O Sow; Awa Traore; Anna Roose; Dilruba Nasrin; Sandra Panchalingam; Helen Powell; Sharon M Tennant; Umesh D Parashar; Karen L Kotloff
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Comparison of causes of stillbirth and child deaths as determined by verbal autopsy and minimally invasive tissue sampling (vol 2024, e0003065, 2024)
err2025-12-05
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errOAAI
errAssefa, Nega; Scott, J. Anthony G.; Madrid, Lola; Dheresa, Merga; Mengesha, Gezahegn; Madhi, Shabir; Mahtab, Sana; Dangor, Ziyaad; Myburgh, Nellie; Mothibi, Lesego Kamogelo; Sow, Samba O.; Kotloff, Karen L.; Tapia, Milagritos D.; Onwuchekwa, Uma U.; Djiteye, Mahamane; Varo, Rosauro; Mandomando, Inacio; Nhacolo, Ariel; Sacoor, Charfudin; Xerinda, Elisio; Ogbuanu, Ikechukwu; Samura, Solomon; Duduyemi, Babatunde; Swarray-Deen, Alim; Bah, Abdulai; El Arifeen, Shams; Gurley, Emily S.; Hossain, Mohammed Zahid; Rahman, Afruna; Chowdhury, Atique Iqbal; Bassat, Quique; Mutevedzi, Portia; Cunningham, Solveig A.; Blau, Dianna; Whitney, Cynthia G.
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An intranasal adjuvanted, recombinant influenza A/H5 vaccine primes against diverse H5N1 clades: a phase I trial
err2025-11-06
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errOAAI
errMeagan E. Deming; Franklin R. Toapanta; Marcela Pasetti; Hana Golding; Surender Khurana; Tarek Hamouda; Ali Fattom; Yuanyuan Liang; Sharon M. Tennant; Megan F. McGilvray; Paula J. Bernal; Jennifer J. Oshinsky; Shrimati Datta; Jasnehta Permala Booth; Lynda Coughlan; Kathleen M. Neuzil; Chad D. Costley; Karen L. Kotloff; Marcelo B. Sztein; Justin R. Ortiz
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Historical Advances in Clinical Trial Design and Expanding Representation as the New Frontier for Innovation
err2025-10-15
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PREAI
errJano, Kathryn; Babu, Tara M.; Kottkamp, Angelica C.; Rebolledo, Paulina A.; Parameswaran, Lalitha; Wiley, Zanthia; Branche, Angela R.; Kotloff, Karen
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Whole-genome analysis of rotavirus G1P[8] and other Wa-like strains in Mozambican children: evidence of genetic variations of pre-vaccine G1P[8] strains from Manhiça, Mozambique
err2025-10-01
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PREAI
errManjate, Filomena; Chirinda, Percina; Mwangi, Peter; Joao, Eva D.; Mogotsi, Milton; Garrine, Marcelino; Messa, Augusto Messa; Vubil, Delfino; Nobela, Nelio; Kotloff, Karen; Nataro, James P.; Nhampossa, Tacilta; Acacio, Sozinho; Weldegebriel, Goitom; Tate, Jacqueline E.; Parashar, Umesh; Mwenda, Jason M.; Alonso, Pedro L.; Nyaga, Martin; Cunha, Celso; Mandomando, Inacio
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Major Causes of Perinatal and Paediatric Mortality in Sub-Saharan Africa and South Asia: Adjustment for Selection Bias in the CHAMPS Network
err2025-09-04
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errOAAI
errKartavya J. Vyas; Jonathan A. Muir; Zachary J. Madewell; Priya M. Gupta; Dianna M. Blau; Shams E. Arifeen; Emily S. Gurley; Atique I. Chowdhury; Kazi M. Islam; Afruna Rahman; J. Anthony G. Scott; Nega Assefa; Lola Madrid; Yohanis A. Asefa; Yasir Y. Abdullahi; Dickens Onyango; Victor Akelo; Beth A. Tippett-Barr; George Aol; Samba O. Sow; Karen L. Kotloff; Milagritos D. Tapia; Adama M. Keita; Kiranpreet Chawla; Quique Bassat; Inacio Mandomando; Ariel Nhacolo; Charfudin Sacoor; Ikechukwu Ogbuanu; Dickens Kowuor; Babatunde Duduyemi; Andrew Moseray; James S. Squire; Shabir Madhi; Sana Mahtab; Yasmin Adam; Amy Wise; Takwanisa Machemedza; Cynthia G. Whitney; the CHAMPS Network
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Safety and immunogenicity of four sequential doses of NVX-CoV2373 in adults and adolescents: A phase 3, randomized, placebo-controlled trial (PREVENT-19)
errVaccine
IF3.5
err2025-07-08
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errOAAI
errGermán Áñez; Alice McGarry; Wayne Woo; Karen L. Kotloff; Cynthia L. Gay; Mingzhu Zhu; Shane Cloney-Clark; Joy Nelson; Haoua Dunbar; Miranda R. Cai; Iksung Cho; Zhaohui Cai; Raj Kalkeri; Joyce S. Plested; Nita Patel; Katherine Smith; Anthony M. Marchese; Gregory M. Glenn; Raburn M. Mallory; Lisa M. Dunkle
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Adherence to Perinatal Asphyxia or Sepsis Management Guidelines in Low- and Middle-Income Countries
err2025-05-16
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errOAAI
errRahman, Afruna; Ray, Meghna; Madewell, Zachary J.; Igunza, Kitiezo Aggrey; Akelo, Victor; Onyango, Dickens; Murila, Florence; Mwebia, Winnie; Ogbuanu, Ikechukwu Udo; Ojulong, Julius; Kowuor, Dickens; Kaluma, Erick; Samura, Solomon; El Arifeen, Shams; Gurley, Emily S.; Hossain, Mohammad Zahid; Islam, Kazi Munisul; Biswas, Rajib; Assefa, Nega; Teferi, Temesgen; Eshetu, Konjit; Madrid, Lola; Kotloff, Karen L.; Tapia, Milagritos D.; Keita, Adama Mamby; Xerinda, Elisio; de Assis, Celisa Mendonca; Kincardett, Milton; Mandomado, Inacio; Varo, Rosauro; Madhi, Shabir A.; Dangor, Ziyaad; Baba, Vuyelwa; Velaphi, Sithembiso; Adam, Yasmin; Blau, Dianna M.; Mutevedzi, Portia C.; Bassat, Quique; Whitney, Cynthia G.; Rees, Chris A.
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Shigella humoral immunity during the first 2 years of life in children from endemic areas
errMBIO
IF4.7
err2025-05-14
err0
errOAAI
errNdungo, Esther; Bhaumik, Ushasi; Liang, Yuanyuan; Chen, Wilbur H.; Travassos, Mark A.; Tapia, Milagritos D.; Kotloff, Karen L.; Levine, Myron M.; Pasetti, Marcela F.
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WHO Workshop Report: Regulatory Science to Inform Clinical Pathways for Shigella Vaccines Intended for Use in Children in Low- and Middle-Income Countries
err2025-04-23
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errOAAI
errKaminski, Robert W.; Pavlinac, Patricia B.; Platts-Mills, James A.; Rogawski McQuade, Elizabeth T.; Hausdorff, William P.; Isbrucker, Richard A.; Vannice, Kirsten S.; Cavaleri, Marco; Kochhar, Sonali; Mehring-LeDoare, Kirsty; Enwere, Godwin; Wilder-Smith, Annelies; Kotloff, Karen L.; Sow, Samba; Giersing, Birgitte K.
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Investigating the Role of Cytomegalovirus as a Cause of Stillbirths and Child Deaths in Low- and Middle-Income Countries Through Postmortem Minimally Invasive Tissue Sampling
err2025-04-01
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PREAI
errVelaphi, Sithembiso; Madewell, Zachary J.; Tippett-Barr, Beth; Blau, Dianna M.; Rogena, Emily A.; Lala, Sanjay G.; Mahtab, Sana; Swart, Peter J.; Akelo, Victor; Onyango, Dickens; Otieno, Kephas; Were, Joyce A.; Bassat, Quique; Carrilho, Carla; Mandomando, Inacio; Torres-Fernandez, David; Varo, Rosauro; Luke, Ronita; Moses, Francis; Nwajiobi-Princewill, Philip; Ogbuanu, Ikechukwu Udo; Ojulong, Julius; El Arifeen, Shams; Gurley, Emily S.; Assefa, Nega; Gedefa, Letta; Madrid, Lola; Scott, J. Anthony G.; Wale, Henok; Juma, Jane; Keita, Adama Mamby; Kotloff, Karen L.; Sow, Samba O.; Tapia, Milagritos D.; Mutevedzi, Portia; Whitney, Cynthia G.; Madhi, Shabir A.
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Characterization of Shigella flexneri serotype 6 strains from geographically diverse low- and middle-income countries
errMBIO
IF4.7
err2025-01-08
err0
errOAAI
errGabor, Caitlin E.; Chong, Charlotte E.; Lemme-Dumit, Jose M.; Hazen, Tracy H.; Baker, Kate S.; Kotloff, Karen L.; Kasumba, Irene N.; Tennant, Sharon M.; Badji, Henry; Hossain, M. Jahangir; Omore, Richard; Ochieng, Benjamin; Awuor, Alex O.; Ogwel, Billy; Juma, Jane; Barry, Eileen M.; Rasko, David A.
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Vaccine efficacy of NVX-CoV2373 against SARS-CoV-2 infection in adolescents in the USA: an ancillary study to a phase 3 observer-blinded, randomised, placebo-controlled trial
err2025-01-01
err0
errOAAI
errDeming, Meagan E.; Brown, Elizabeth R.; Schrag, Stephanie J.; McArthur, Monica A.; Arvay, Melissa; Humphrys, Mike; Ravel, Jacques; Adelglass, Jeffrey; Essink, Brandon; Musante, David B.; Maguire, Rebecca; Gorman, Richard; Formentini, Elizabeth; Mason, Robin; Robb, Merlin L.; Neuzil, Kathleen M.; Rapaka, Rekha R.; Wolff, Peter; Kotloff, Karen L.
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Genomic analysis of DS-1-like human rotavirus A strains uncovers genetic relatedness of NSP4 gene with animal strains in Manhiça District, Southern Mozambique
err2024-12-28
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errOAAI
errManjate, Filomena; Joao, Eva D.; Mwangi, Peter; Chirinda, Percina; Mogotsi, Milton; Garrine, Marcelino; Messa Jr, Augusto; Vubil, Delfino; Nobela, Nelio; Kotloff, Karen; Nataro, James P.; Nhampossa, Tacilta; Acacio, Sozinho; Weldegebriel, Goitom; Tate, Jacqueline E.; Parashar, Umesh; Mwenda, Jason M.; Alonso, Pedro L.; Cunha, Celso; Nyaga, Martin; Mandomando, Inacio
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Contribution of malnutrition to infant and child deaths in Sub-Saharan Africa and South Asia
err2024-12-05
err1
errOAAI
errMadewell, Zachary J.; Keita, Adama Mamby; Das, Priya Mehta-Gupta; Mehta, Ashka; Akelo, Victor; Oluoch, Ogony Benard; Omore, Richard; Onyango, Dickens; Sagam, Caleb K.; Cain, Carrie Jo; Chukwuegbo, Cornell; Kaluma, Erick; Luke, Ronita; Ogbuanu, Ikechukwu Udo; Bassat, Quique; Kincardett, Milton; Mandomando, Inacio; Rakislova, Natalia; Varo, Rosauro; Xerinda, Elisio G.; Dangor, Ziyaad; du Toit, Jeanie; Lala, Sanjay G.; Madhi, Shabir A.; Mahtab, Sana; Breines, Markus Roos; Degefa, Ketema; Heluf, Helina; Madrid, Lola; Scott, J. Anthony G.; Sow, Samba O.; Tapia, Milagritos D.; El Arifeen, Shams; Gurley, Emily S.; Hossain, Mohammad Zahid; Islam, Kazi Munisul; Rahman, Afruna; Mutevedzi, Portia C.; Whitney, Cynthia G.; Blau, Dianna M.; Suchdev, Parminder S.; Kotloff, Karen L.
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Etiologies and comorbidities of meningitis deaths in children under 5 years in high-mortality settings: Insights from the CHAMPS Network in the post-pneumococcal vaccine era
err2024-12-01
err0
PREAI
errMahtab, Sana; Madewell, Zachary J.; Baillie, Vicky; Dangor, Ziyaad; Lala, Sanjay G.; Assefa, Nega; Berihun, Mulu; Madrid, Lola; Regassa, Lemma Demissie; Scott, J. Anthony G.; Ameh, Soter; Bangura, Joseph S.; Ita, Okokon; Kaluma, Erick; Ogbuanu, Ikechukwu Udo; Gaume, Brigitte; Kotloff, Karen L.; Sow, Samba O.; Tapia, Milagritos D.; Ajanovic, Sara; Garrine, Marcelino; Mandomando, Inacio; Varo, Rosauro; Xerinda, Elisio G.; Alam, Muntasir; El Arifeen, Shams; Gurley, Emily S.; Hossain, Mohammad Zahid; Rahman, Afruna; Akelo, Victor; Igunza, Kitiezo Aggrey; Onyango, Clayton; Onyango, Dickens; Verani, Jennifer R.; Mutevedzi, Portia; Whitney, Cynthia G.; Blau, Dianna M.; Madhi, Shabir A.; Bassat, Quique
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