Search Results - "PAREKH, Bharat S"

Detection of recent HIV-1 infection using a new limiting-antigen avidity assay: potential for HIV-1 incidence estimates and avidity maturation studies by Duong, Yen T, Qiu, Maofeng, De, Anindya K, Jackson, Keisha, Dobbs, Trudy, Kim, Andrea A, Nkengasong, John N, Parekh, Bharat S

“…Accurate and reliable laboratory methods are needed for estimation of HIV-1 incidence to identify the high-risk populations and target and monitor prevention…”
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Recalibration of the limiting antigen avidity EIA to determine mean duration of recent infection in divergent HIV-1 subtypes by Duong, Yen T, Kassanjee, Reshma, Welte, Alex, Morgan, Meade, De, Anindya, Dobbs, Trudy, Rottinghaus, Erin, Nkengasong, John, Curlin, Marcel E, Kittinunvorakoon, Chonticha, Raengsakulrach, Boonyos, Martin, Michael, Choopanya, Kachit, Vanichseni, Suphak, Jiang, Yan, Qiu, Maofeng, Yu, Haiying, Hao, Yan, Shah, Neha, Le, Linh-Vi, Kim, Andrea A, Nguyen, Tuan Anh, Ampofo, William, Parekh, Bharat S

“…Mean duration of recent infection (MDRI) and misclassification of long-term HIV-1 infections, as proportion false recent (PFR), are critical parameters for…”
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Performance of a novel rapid test for recent HIV infection among newly-diagnosed pregnant adolescent girls and young women in four high-HIV-prevalence districts-Malawi, 2017-2018 by Agyemang, Elfriede A, Kim, Andrea A, Dobbs, Trudy, Zungu, Innocent, Payne, Danielle, Maher, Andrew D, Curran, Kathryn, Kim, Evelyn, Kwalira, Hastings, Limula, Henry, Adhikari, Amitabh, Welty, Susie, Kandulu, James, Nyirenda, Rose, Auld, Andrew F, Rutherford, George W, Parekh, Bharat S

“…Tests for recent HIV infection (TRI) distinguish recent from long-term HIV infections using markers of antibody maturation. The limiting antigen avidity enzyme…”
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HIV incidence, viremia, and the national response in Eswatini: Two sequential population-based surveys by Nkambule, Rejoice, Philip, Neena M, Reid, Giles, Mnisi, Zandile, Nuwagaba-Biribonwoha, Harriet, Ao, Tony T, Ginindza, Choice, Duong, Yen T, Patel, Hetal, Saito, Suzue, Solmo, Chelsea, Brown, Kristin, Moore, Chiara S, Voetsch, Andrew C, Bicego, George, Bock, Naomi, Mhlanga, Fortune, Dlamini, Tengetile, Mabuza, Khanya, Zwane, Amos, Sahabo, Ruben, Dobbs, Trudy, Parekh, Bharat S, El-Sadr, Wafaa, Ryan, Caroline, Justman, Jessica

“…With the highest HIV incidence and prevalence globally, the government of Eswatini started a substantial scale-up of HIV treatment and prevention services in…”
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High level of HIV false positives using EIA-based algorithm in survey: Importance of confirmatory testing by Augusto, Ângelo do Rosário, Iriemenam, Nnaemeka C, Kohatsu, Luciana, de Sousa, Leonardo, Maueia, Cremildo, Hara, Christine, Mula, Flora, Cuamba, Gercio, Chelene, Imelda, Langa, Zainabo, Lohman, Nathaniel, Faife, Flavio, Giles, Denise, Sabonete, Acacio Jose, Samo Gudo, Eduardo, Jani, Ilesh, Parekh, Bharat S, Kumar, Sanjai

“…The Mozambique Indicators of Immunization, Malaria and HIV/AIDS (IMASIDA) survey was conducted in 2015 and used a two Enzyme Immunoassay (EIA) (Vironostika…”
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HIV Incidence, Recent HIV Infection, and Associated Factors, Kenya, 2007-2018 by Young, Peter Wesley, Musingila, Paul, Kingwara, Leonard, Voetsch, Andrew C, Zielinski-Gutierrez, Emily, Bulterys, Marc, Kim, Andrea A, Bronson, Megan A, Parekh, Bharat S, Dobbs, Trudy, Patel, Hetal, Reid, Giles, Achia, Thomas, Keter, Alfred, Mwalili, Samuel, Ogollah, Francis M, Ondondo, Raphael, Longwe, Herbert, Chege, Duncan, Bowen, Nancy, Umuro, Mamo, Ngugi, Catherine, Justman, Jessica, Cherutich, Peter, De Cock, Kevin M

“…Nationally representative surveys provide an opportunity to assess trends in recent human immunodeficiency virus (HIV) infection based on assays for recent HIV…”
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Mean Recency Period for Estimation of HIV-1 Incidence with the BED-Capture EIA and Bio-Rad Avidity in Persons Diagnosed in the United States with Subtype B by Hanson, Debra L, Song, Ruiguang, Masciotra, Silvina, Hernandez, Angela, Dobbs, Trudy L, Parekh, Bharat S, Owen, S Michele, Green, Timothy A

“…HIV incidence estimates are used to monitor HIV-1 infection in the United States. Use of laboratory biomarkers that distinguish recent from longstanding…”
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Poor performance of the determine HIV-1/2 Ag/Ab combo fourth-generation rapid test for detection of acute infections in a National Household Survey in Swaziland by Duong, Yen T, Mavengere, Yvonne, Patel, Hetal, Moore, Carole, Manjengwa, Julius, Sibandze, Dumile, Rasberry, Christopher, Mlambo, Charmaine, Li, Zhi, Emel, Lynda, Bock, Naomi, Moore, Jan, Nkambule, Rejoice, Justman, Jessica, Reed, Jason, Bicego, George, Ellenberger, Dennis L, Nkengasong, John N, Parekh, Bharat S

“…Fourth-generation HIV rapid tests (RTs) claim to detect both p24 antigen (Ag) and HIV antibodies (Ab) for early identification of acute infections, important…”
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Swaziland HIV Incidence Measurement Survey (SHIMS): a prospective national cohort study by Justman, Jessica, Dr, Reed, Jason B, MD, Bicego, George, PhD, Donnell, Deborah, PhD, Li, Keala, MS, Bock, Naomi, MD, Koler, Alison, MPH, Philip, Neena M, MPH, Mlambo, Charmaine K, PhD, Parekh, Bharat S, PhD, Duong, Yen T, PhD, Ellenberger, Dennis L, PhD, El-Sadr, Wafaa M, Prof, Nkambule, Rejoice, MPH

“…Summary Background Swaziland has the highest national HIV prevalence worldwide. The Swaziland HIV Incidence Measurement Survey (SHIMS) provides the first…”
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People who self-reported testing HIV-positive but tested HIV-negative: A multi-country puzzle of data, serology, and ethics, 2015-2021 by Metz, Melissa, Among, Vivian Hope, Dzinamarira, Tafadzwa, Ussery, Faith, Nkurunziza, Peter, Bahizi, Janet, Biraro, Samuel, Ogollah, Francis M, Musinguzi, Joshua, Kirungi, Wilford, Naluguza, Mary, Mwangi, Christina, Birhanu, Sehin, Nelson, Lisa J, Longwe, Herbert, Winterhalter, Frieda Sara, Voetsch, Andrew C, Parekh, Bharat S, Patel, Hetal K, Duong, Yen T, Bray, Rachel, Farley, Shannon M

“…During population-based HIV impact assessments (PHIAs), some participants who self-reported testing HIV-positive (PSRP) tested negative in one or more…”
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Identifying Risk Factors for Recent HIV Infection in Kenya Using a Recent Infection Testing Algorithm: Results from a Nationally Representative Population-Based Survey by Kim, Andrea A, Parekh, Bharat S, Umuro, Mamo, Galgalo, Tura, Bunnell, Rebecca, Makokha, Ernest, Dobbs, Trudy, Murithi, Patrick, Muraguri, Nicholas, De Cock, Kevin M, Mermin, Jonathan

“…A recent infection testing algorithm (RITA) that can distinguish recent from long-standing HIV infection can be applied to nationally representative…”
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A Stable Dried Tube Specimen for Quality Assurance and Training Programs for HIV Rapid Test for Recent Infection by Di Germanio, Clara, Yufenyuy, Ernest L, Hampton, Dylan C, Thorbrogger, Chloe, Parekh, Bharat S, Norris, Philip J

“…The HIV epidemic is still one of the world's most serious public health challenges, affecting about 38 million people worldwide, especially in sub-Saharan…”
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Point of Care CD4 Testing in National Household Surveys - Results and Quality Indicators from Eleven Population-Based HIV Impact Assessment (PHIA) Surveys by Birhanu, Sehin, Winterhalter, Frieda S, Stupp, Paul, Cates, Melissa, Rottinghaus, Erin, Yavo, Daniel, Wray-Gordon, Floris, Lupoli, Kathryn, Ndongmo, Clement B, Longwe, Herbert, Reid, Giles A, Metz, Melissa, Saito, Suzue, McCracken, Stephen, Brown, Kristin, Voetsch, Andrew C, Duong, Yen T, Parekh, Bharat S, Patel, Hetal K

“…Population-based HIV Impact Assessments (PHIAs) are national household (HH) surveys that provide HIV diagnosis and CD4 testing with an immediate return of…”
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Performance evaluation of the Asante Rapid Recency Assay for verification of HIV diagnosis and detection of recent HIV-1 infections: Implications for epidemic control by Yufenyuy, Ernest L, Detorio, Mervi, Dobbs, Trudy, Patel, Hetal K, Jackson, Keisha, Vedapuri, Shanmugam, Parekh, Bharat S

“…We previously described development of a rapid test for recent infection (RTRI) that can diagnose HIV infection and detect HIV-1 recent infections in a single…”
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Performance Characteristics of the Immunoglobulin G-Capture BED-Enzyme Immunoassay, an Assay To Detect Recent Human Immunodeficiency Virus Type 1 Seroconversion by DOBBS, Trudy, KENNEDY, Susan, PAU, Chou-Pong, MCDOUGAL, J. Steven, PAREKH, Bharat S

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Tracking with recency assays to control the epidemic: real-time HIV surveillance and public health response by Kim, Andrea A, Behel, Stephanie, Northbrook, Sanny, Parekh, Bharat S

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A Comprehensive Evaluation of the Proficiency Testing Program for the HIV-1 BED Incidence Assay by DOBBS, Trudy, XIN LIU, ANDERSON, Rebecca, NKENGASONG, John, PAREKH, Bharat S

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Quantitative detection of increasing HIV type 1 antibodies after seroconversion: a simple assay for detecting recent HIV infection and estimating incidence by Parekh, Bharat S, Kennedy, M Susan, Dobbs, Trudy, Pau, Chou-Pong, Byers, Robert, Green, Timothy, Hu, Dale J, Vanichseni, Suphak, Young, Nancy L, Choopanya, Kachit, Mastro, Timothy D, McDougal, J Steven

“…We have devised a simple enzyme immunoassay (EIA) that detects increasing levels of anti-HIV IgG after seroconversion and can be used for detecting recent…”
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Diagnosis of Human Immunodeficiency Virus Infection by Parekh, Bharat S, Ou, Chin-Yih, Fonjungo, Peter N, Kalou, Mireille B, Rottinghaus, Erin, Puren, Adrian, Alexander, Heather, Hurlston Cox, Mackenzie, Nkengasong, John N

“…HIV diagnostics have played a central role in the remarkable progress in identifying, staging, initiating, and monitoring infected individuals on life-saving…”
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Determination of the mean duration of recent infection and false recency rate for the HIV triplex multiplex bead assay by Domaoal, Robert A, Vuong, Jeni, Zheng, Amy, Detorio, Mervi, Parekh, Bharat S, Yufenyuy, Ernest L

“…We developed the HIV Triplex multiplex bead assay to identify and serotype HIV infection with high sensitivity and specificity; and distinguish recent from…”
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