chngpt: threshold regression model estimation and inference

by Youyi Fong, Ying Huang, Peter B. Gilbert, Sallie R. Permar
Published 2017-10-01

Efficacy of a bivalent killed whole-cell cholera vaccine over five years: a re-analysis of a cluster-randomized trial

by Youyi Fong, M. Elizabeth Halloran, Jin Kyung Park, Florian Marks, John D. Clemens, Dennis L. Chao
Published 2018-02-01

HAI and NAI titer correlates of inactivated and live attenuated influenza vaccine efficacy

by Peter B Gilbert, Youyi Fong, Michal Juraska, Lindsay N Carpp, Arnold S Monto, Emily T Martin, Joshua G Petrie
Published 2019-05-01

The inner foreskin of healthy males at risk of HIV infection harbors epithelial CD4+ CCR5+ cells and has features of an inflamed epidermal barrier.

by Maria P Lemos, Javier R Lama, Shelly T Karuna, Youyi Fong, Silvia M Montano, Carmela Ganoza, Raphael Gottardo, Jorge Sanchez, M Juliana McElrath
Published 2014-01-01

Microneutralization assay titer correlates analysis in two phase 3 trials of the CYD-TDV tetravalent dengue vaccine in Asia and Latin America.

by Lindsay N Carpp, Youyi Fong, Matthew Bonaparte, Zoe Moodie, Michal Juraska, Ying Huang, Brenda Price, Yingying Zhuang, Jason Shao, Lingyi Zheng, Laurent Chambonneau, Robert Small, Saranya Sridhar, Carlos A DiazGranados, Peter B Gilbert
Published 2020-01-01

Proportions of CD4 test results indicating advanced HIV disease remain consistently high at primary health care facilities across four high HIV burden countries.

by Katherine Lamp, Seth McGovern, Youyi Fong, Charles Diko Atem, Jean Bosco Elat Nfetam, Divine Nzuobontane, Timothy Bollinger, Ilesh Jani, Nadia Sitoe, Charles Kiyaga, George Senyama, Phibeon M Mangwendeza, Sekesai Mtapuri-Zinyowera, Naoko Doi, Trevor Peter, Jilian A Sacks, Lara Vojnov
Published 2020-01-01

Point-of-care CD4 technology invalid result rates in public health care settings across five countries.

by Katherine Lamp, Seth McGovern, Youyi Fong, Biruhtesfa Abere, Adisu Kebede, Gonfa Ayana, Achamyeleh Mulugeta, Chares Diko Atem, Jean Bosco Elat Nfetam, Divine Nzuobontane, Timothy Bollinger, Ilesh Jani, Nadia Sitoe, Charles Kiyaga, George Senyama, Phibeon Munyaradzi Mangwendeza, Sekesai Mtapuri-Zinyowera, Jilian A Sacks, Naoko Doi, Trevor F Peter, Lara Vojnov
Published 2019-01-01

Vaccine-induced IgG antibodies to V1V2 regions of multiple HIV-1 subtypes correlate with decreased risk of HIV-1 infection.

by Susan Zolla-Pazner, Allan deCamp, Peter B Gilbert, Constance Williams, Nicole L Yates, William T Williams, Robert Howington, Youyi Fong, Daryl E Morris, Kelly A Soderberg, Carmela Irene, Charles Reichman, Abraham Pinter, Robert Parks, Punnee Pitisuttithum, Jaranit Kaewkungwal, Supachai Rerks-Ngarm, Sorachai Nitayaphan, Charla Andrews, Robert J O'Connell, Zhi-yong Yang, Gary J Nabel, Jerome H Kim, Nelson L Michael, David C Montefiori, Hua-Xin Liao, Barton F Haynes, Georgia D Tomaras
Published 2014-01-01

Landscapes of binding antibody and T-cell responses to pox-protein HIV vaccines in Thais and South Africans.

by Lue Ping Zhao, Andrew Fiore-Gartland, Lindsay N Carpp, Kristen W Cohen, Nadine Rouphael, Llewellyn Fleurs, One Dintwe, Michael Zhao, Zoe Moodie, Youyi Fong, Nigel Garrett, Ying Huang, Craig Innes, Holly E Janes, Erica Lazarus, Nelson L Michael, Sorachai Nitayaphan, Punnee Pitisuttithum, Supachai Rerks-Ngarm, Merlin L Robb, Stephen C De Rosa, Lawrence Corey, Glenda E Gray, Kelly E Seaton, Nicole L Yates, M Juliana McElrath, Nicole Frahm, Georgia D Tomaras, Peter B Gilbert
Published 2020-01-01