Search Results - "CHAVES, Sandra S"

Estimating influenza disease burden from population-based surveillance data in the United States by Reed, Carrie, Chaves, Sandra S, Daily Kirley, Pam, Emerson, Ruth, Aragon, Deborah, Hancock, Emily B, Butler, Lisa, Baumbach, Joan, Hollick, Gary, Bennett, Nancy M, Laidler, Matthew R, Thomas, Ann, Meltzer, Martin I, Finelli, Lyn

“…Annual estimates of the influenza disease burden provide information to evaluate programs and allocate resources. We used a multiplier method with routine…”
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Seasonal influenza, its complications and related healthcare resource utilization among people 60 years and older: A descriptive retrospective study in Japan by Hagiwara, Yuriko, Harada, Kazumasa, Nealon, Joshua, Okumura, Yasuyuki, Kimura, Takeshi, Chaves, Sandra S

“…Evidence suggests that older people aged ≥65 years and those aged 60–64 years with chronic medical conditions are at higher risk of developing severe…”
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Multi-strain modeling of influenza vaccine effectiveness in older adults and its dependence on antigenic distance by Urdy, Séverine, Hanke, Matthias, Toledo, Ana I., Ratto, Nicolas, Jacob, Evgueni, Peyronnet, Emmanuel, Gourlet, Jean-Baptiste, Chaves, Sandra S., Thommes, Edward, Coudeville, Laurent, Boissel, Jean-Pierre, Courcelles, Eulalie, Bruezière, Lara

“…Influenza vaccine effectiveness (VE) varies seasonally due to host, virus and vaccine characteristics. To investigate how antigenic matching and dosage impact…”
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Local patterns of spread of influenza A H3N2 virus in coastal Kenya over a 1-year period revealed through virus sequence data by Owuor, D. Collins, Ngoi, Joyce M., Nyasimi, Festus M., Murunga, Nickson, Nyiro, Joyce U., Chaves, Sandra S., Nokes, D. James, Agoti, Charles N.

“…The patterns of spread of influenza A viruses in local populations in tropical and sub-tropical regions are unclear due to sparsity of representative…”
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On the relative role of different age groups in influenza epidemics by Worby, Colin J, Chaves, Sandra S, Wallinga, Jacco, Lipsitch, Marc, Finelli, Lyn, Goldstein, Edward

“…Highlights • Epidemics are often ‘driven’ by subgroups with higher contact/transmission rates. • We propose a simple statistic to identify such groups using…”
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Seasonality and Co‐Detection of Respiratory Viral Infections Among Hospitalised Patients Admitted With Acute Respiratory Illness—Valencia Region, Spain, 2010–2021 by Shirreff, George, Chaves, Sandra S., Coudeville, Laurent, Mengual‐Chuliá, Beatriz, Mira‐Iglesias, Ainara, Puig‐Barberà, Joan, Orrico‐Sanchez, Alejandro, Díez‐Domingo, Javier, Opatowski, Lulla, Lopez‐Labrador, F. Xavier

“…ABSTRACT Background Respiratory viruses are known to represent a high burden in winter, yet the seasonality of many viruses remains poorly understood. Better…”
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Phylogeography and reassortment patterns of human influenza A viruses in sub-Saharan Africa by Owuor, D. Collins, de Laurent, Zaydah R., Oketch, John W., Murunga, Nickson, Otieno, James R., Nabakooza, Grace, Chaves, Sandra S., Nokes, D. James, Agoti, Charles N.

“…The role of sub-Saharan Africa in the global spread of influenza viruses remains unclear due to insufficient spatiotemporal sequence data. Here, we analyzed…”
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Healthcare-seeking behavior for respiratory illnesses in Kenya: implications for burden of disease estimation by Emukule, Gideon O, Osoro, Eric, Nyawanda, Bryan O, Ngere, Isaac, Macharia, Daniel, Bigogo, Godfrey, Otieno, Nancy A, Chaves, Sandra S, Njenga, M Kariuki, Widdowson, Marc-Alain

“…Understanding healthcare-seeking patterns for respiratory illness can help improve estimation of disease burden and target public health interventions to…”
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Genetic and potential antigenic evolution of influenza A(H1N1)pdm09 viruses circulating in Kenya during 2009–2018 influenza seasons by Owuor, D. Collins, de Laurent, Zaydah R., Nyawanda, Bryan O., Emukule, Gideon O., Kondor, Rebecca, Barnes, John R., Nokes, D. James, Agoti, Charles N., Chaves, Sandra S.

“…Influenza viruses undergo rapid evolutionary changes, which requires continuous surveillance to monitor for genetic and potential antigenic changes in…”
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The Incidence and Clinical Characteristics of Herpes Zoster Among Children and Adolescents After Implementation of Varicella Vaccination by Civen, Rachel, Chaves, Sandra S, Jumaan, Aisha, Wu, Han, Mascola, Laurene, Gargiullo, Paul, Seward, Jane F

“…BACKGROUND:The varicella-zoster virus (VZV) vaccine strain may reactivate to cause herpes zoster. Limited data suggest that the risk of herpes zoster in…”
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Loss of Vaccine-Induced Immunity to Varicella over Time by Chaves, Sandra S, Gargiullo, Paul, Zhang, John X, Civen, Rachel, Guris, Dalya, Mascola, Laurene, Seward, Jane F

“…Active surveillance of a sentinel population of 350,000 persons was performed to determine whether the severity and incidence of breakthrough varicella…”
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Seasonal influenza vaccination in Kenya: an economic evaluation using dynamic transmission modelling by Dawa, Jeanette, Emukule, Gideon O, Barasa, Edwine, Widdowson, Marc Alain, Anzala, Omu, van Leeuwen, Edwin, Baguelin, Marc, Chaves, Sandra S, Eggo, Rosalind M

“…There is substantial burden of seasonal influenza in Kenya, which led the government to consider introducing a national influenza vaccination programme. Given…”
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Cost-effectiveness of seasonal inactivated influenza vaccination among pregnant women by Xu, Jing, Zhou, Fangjun, Reed, Carrie, Chaves, Sandra S, Messonnier, Mark, Kim, Inkyu K

“…Highlights • Influenza vaccination can decrease the risk of influenza illness and related complications among pregnant women and their infants aged <6 months…”
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Patient and provider perspectives on how trust influences maternal vaccine acceptance among pregnant women in Kenya by Nganga, Stacy W, Otieno, Nancy A, Adero, Maxwell, Ouma, Dominic, Chaves, Sandra S, Verani, Jennifer R, Widdowson, Marc-Alain, Wilson, Andrew, Bergenfeld, Irina, Andrews, Courtni, Fenimore, Vincent L, Gonzalez-Casanova, Ines, Frew, Paula M, Omer, Saad B, Malik, Fauzia A

“…Pregnant women and newborns are at high risk for infectious diseases. Altered immunity status during pregnancy and challenges fully vaccinating newborns…”
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Changing Varicella Epidemiology in Active Surveillance Sites—United States, 1995–2005 by Guris, Dalya, Jumaan, Aisha O., Mascola, Laurene, Watson, Barbara M., Zhang, John X., Chaves, Sandra S., Gargiullo, Paul, Perella, Dana, Civen, Rachel, Seward, Jane F.

“…Significant reductions in varicella incidence were reported from 1995 to 2000 in the varicella active surveillance sites of Antelope Valley (AV), California,…”
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Side-by-side comparison of parent vs. technician-collected respiratory swabs in low-income, multilingual, urban communities in the United States by Chaves, Sandra S, Park, Ju-Hyeong, Prill, Mila M, Whitaker, Brett, Park, Reena, Chew, Ginger L

“…Home-based swabbing has not been widely used. The objective of this analysis was to compare respiratory swabs collected by mothers of 7-12-year-olds living in…”
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Detection of Influenza C Viruses Among Outpatients and Patients Hospitalized for Severe Acute Respiratory Infection, Minnesota, 2013-2016 by Thielen, Beth K, Friedlander, Hannah, Bistodeau, Sarah, Shu, Bo, Lynch, Brian, Martin, Karen, Bye, Erica, Como-Sabetti, Kathryn, Boxrud, David, Strain, Anna K, Chaves, Sandra S, Steffens, Andrea, Fowlkes, Ashley L, Lindstrom, Stephen, Lynfield, Ruth

“…Existing literature suggests that influenza C typically causes mild respiratory tract disease. However, clinical and epidemiological data are limited. Four…”
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Influenza-associated pneumonia hospitalizations in Uganda, 2013-2016 by Emukule, Gideon O, Namagambo, Barbara, Owor, Nicholas, Bakamutumaho, Barnabas, Kayiwa, John T, Namulondo, Joyce, Byaruhanga, Timothy, Tempia, Stefano, Chaves, Sandra S, Lutwama, Julius J

“…Influenza is an important contributor to acute respiratory illness, including pneumonia, and results in substantial morbidity and mortality globally…”
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Pediatric Respiratory Hospitalizations in the Pre-COVID-19 Era: The Contribution of Viral Pathogens and Comorbidities to Clinical Outcomes, Valencia, Spain by Bosch Castells, Valérie, Mira-Iglesias, Ainara, López-Labrador, Francisco Xavier, Mengual-Chuliá, Beatriz, Carballido-Fernández, Mario, Tortajada-Girbés, Miguel, Mollar-Maseres, Joan, Puig-Barberà, Joan, Díez-Domingo, Javier, Chaves, Sandra S

“…Viral respiratory diseases place a heavy burden on the healthcare system, with children making up a significant portion of related hospitalizations. While…”
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Increasing uptake of live attenuated influenza vaccine among children in the United States, 2008–2014 by Rodgers, Loren, Pabst, Laura J, Chaves, Sandra S

“…Abstract The Advisory Committee on Immunization Practices (ACIP) recommends annual influenza vaccination for all persons in the United States aged ≥6 months…”
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