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1. Influenza Vaccine Effectiveness Against Hospitalization in the United States, 2019–2020

Author

Fernanda P. Silveira, Amelia Drennan, Rebecca Kondor, Manjusha Gaglani, Shoshona Le, Richard K. Zimmerman, Briana Krantz, Kailey Hughes, Adam S. Lauring, Bethany Alicie, Yuwei Zhu, Arnold S. Monto, Arundhati Rao, Manish M. Patel, K G Balasubramani, Joshua G. Petrie, Heath White, Christopher Trabue, Manohar Mutnal, Donald B Middleton, Nicole Wheeler, Mark W Tenforde, Karen Speer, Lisa M Keong, Thomas J. Stark, Sean G Saul, Lori Stiefel, Kevin Chang, Jill M. Ferdinands, Ryan E. Malosh, Mohamed Yassin, Shekhar Ghamande, Emily T. Martin, Chandni Raiyani, Rendi McHenry, Natasha B. Halasa, Jan Orga, Kelsey Bounds, Tresa McNeal, John W Williams, Donna Carillo, Lydia Clipper, Lois Lamerato, Heather Eng, Alejandro Arroliga, Mary Patricia Nowalk, H. Keipp Talbot, Claudia Guevara Pulido, Dayna Wyatt, Emily Sedillo, Alina Simion, Tnelda Zunie, Zhouwen Liu, Kempapura Murthy, Laura Adams, Stephanie Longmire, John Barnes, Juliana Almeida da Silva, Anurag Malani, Kellie Graves, Samantha M Olson, and Lynn Peterson

Subjects
Adult, Male, 0301 basic medicine, medicine.medical_specialty, Adolescent, Influenza vaccine, Orthomyxoviridae, Vaccine Efficacy, Older population, Immunocompromised Host, Major Articles and Brief Reports, 03 medical and health sciences, Influenza A Virus, H1N1 Subtype, 0302 clinical medicine, Internal medicine, Influenza, Human, Humans, Immunology and Allergy, Medicine, 030212 general & internal medicine, Aged, Aged, 80 and over, Respiratory illness, biology, business.industry, Influenza A Virus, H3N2 Subtype, Vaccination, Confounding, virus diseases, Middle Aged, biology.organism_classification, United States, Confidence interval, Hospitalization, 030104 developmental biology, Infectious Diseases, Influenza Vaccines, Case-Control Studies, Female, Seasons, business
Abstract

Background Influenza causes significant morbidity and mortality and stresses hospital resources during periods of increased circulation. We evaluated the effectiveness of the 2019–2020 influenza vaccine against influenza-associated hospitalization in the United States. Methods We included adults hospitalized with acute respiratory illness at 14 hospitals and tested for influenza viruses by reserve-transcription polymerase chain reaction. Vaccine effectiveness (VE) was estimated by comparing the odds of current-season influenza vaccination in test-positive influenza cases vs test-negative controls, adjusting for confounders. VE was stratified by age and major circulating influenza types along with A(H1N1)pdm09 genetic subgroups. Results A total of 3116 participants were included, including 18% (n = 553) influenza-positive cases. Median age was 63 years. Sixty-seven percent (n = 2079) received vaccination. Overall adjusted VE against influenza viruses was 41% (95% confidence interval [CI], 27%–52%). VE against A(H1N1)pdm09 viruses was 40% (95% CI, 24%–53%) and 33% against B viruses (95% CI, 0–56%). Of the 2 major A(H1N1)pdm09 subgroups (representing 90% of sequenced H1N1 viruses), VE against one group (5A + 187A,189E) was 59% (95% CI, 34%–75%) whereas no VE was observed against the other group (5A + 156K) (–1% [95% CI, –61% to 37%]). Conclusions In a primarily older population, influenza vaccination was associated with a 41% reduction in risk of hospitalized influenza illness.

Published
2020

2. Vaccine Effectiveness Against Influenza-Associated Hospitalizations Among Adults, 2018–2019, US Hospitalized Adult Influenza Vaccine Effectiveness Network

Author

Manohar Mutnal, Arundhati Rao, Yuwei Zhu, Lisa M Keong, Laura Adams, Juliana DaSilva, Lydia Clipper, Kempapura Murthy, Kailey Hughes, John W Williams, Briana Krantz, Claudia Guevara Pulido, Mary Patricia Nowalk, Emily R Smith, Jill M. Ferdinands, Thomas J. Stark, Joshua G. Petrie, Rendi McHenry, Karen Speer, Manish M. Patel, Natasha B. Halasa, Helen Talbot, Ryan E. Malosh, Shekhar Ghamande, Emily T. Martin, Sean G Saul, Lori Stiefel, Lynn Peterson, Kelsey Bounds, Chandni Raiyani, Alejandro Arroliga, Donna Carillo, Kevin Chang, Goundappa K. Balasubramani, Stephanie Longmire, Kellie Graves, Donald B Middleton, Heather Eng, Dayna Wyatt, Tnelda Zunie, Emily Sedillo, Jan Orga, Alina Simion, Mohamed Yassin, Zhouwen Liu, Anurag Malani, Shoshona Le, Arnold S. Monto, Richard K. Zimmerman, Adam S. Lauring, Fernanda P. Silveira, Heath White, Nicole Wheeler, Lois Lamerato, Bethany Alicie, Amelia Drennan, and Manjusha Gaglani

Subjects
Adult, Male, medicine.medical_specialty, Adolescent, Influenza vaccine, Logistic regression, Young Adult, Major Articles and Brief Reports, Internal medicine, Humans, Immunology and Allergy, Medicine, Aged, Aged, 80 and over, business.industry, Vaccination, Confounding, Case-control study, virus diseases, Mean age, Influenza a, Middle Aged, Confidence interval, Hospitalization, Logistic Models, Infectious Diseases, Influenza Vaccines, Female, business
Abstract

We estimated vaccine effectiveness (VE) for prevention of influenza-associated hospitalizations among adults during the 2018–2019 influenza season. Adults admitted with acute respiratory illness to 14 hospitals of the US Hospitalized Adult Influenza Vaccine Effectiveness Network (HAIVEN) and testing positive for influenza were cases; patients testing negative were controls. VE was estimated using logistic regression and inverse probability of treatment weighting. We analyzed data from 2863 patients with a mean age of 63 years. Adjusted VE against influenza A(H1N1)pdm09–associated hospitalization was 51% (95% confidence interval [CI], 25%–68%). Adjusted VE against influenza A(H3N2) virus–associated hospitalization was −2% (95% CI, −65% to 37%) and differed significantly by age, with VE of −130% (95% CI, −374% to −27%) among adults 18 to ≤56 years of age. Although vaccination halved the risk of influenza A(H1N1)pdm09–associated hospitalizations, it conferred no protection against influenza A(H3N2)–associated hospitalizations. We observed negative VE for young and middle-aged adults but cannot exclude residual confounding as a potential explanation.

Published
2020

3. Variation in Use of Repurposed Medications Among Patients With Coronavirus Disease 2019. From The Society of Critical Care Medicine Discovery Viral Infection and Respiratory Illness Universal Study: Coronavirus Disease 2019 Registry Investigator Group

Author

Michael A. Garcia, MD, Shelsey W. Johnson, MD, Nicholas A. Bosch, MD, MSc, Emily K. Sisson, MA, Christopher R. Sheldrick, PhD, Vishakha K. Kumar, MD, MBA, Karen Boman, BS, Scott Bolesta, PharmD, Vikas Bansal, MBBS, MPH, Neha Deo, BS, J. P. Domecq, MD, Amos Lal, MD, Amy B. Christie, MD, Valerie M. Banner-Goodspeed, MPH, Devang Sanghavi, MD, MHA, Girish Vadgaonkar, MBBS, Ognjen Gajic, MD, MSc, Rahul Kashyap, MBBS, MBA, Allan J. Walkey, MD, MSc, for the Society of Critical Care Medicine Discovery Viral Infection and Respiratory Illness Universal Study Investigators, Jean-Baptiste Mesland, Pierre Henin, Hélène Petre, Isabelle Buelens, Anne-Catherine Gerard, Philippe Clevenbergh, Dragana Markotić, Ivana Bošnjak, Ruben Garza, Eric Chu, Victoria Chan, Oscar Y Gavidia, Felipe Pachon, Yeimy A Sanchez, Mohamed El Kassas, Mohamed Badr, Ahmed Tawheed, Hend Yahia, Jose Luis Ramos Coello, Guillermo Perez, Ana Karen Vallecillo Lizardo, Gabina María Reyes Guillen, Helin Archaga Soto, Smitha S. Segu, Tuhin Chakraborty, Epcebha Joyce, Girish Vadgaonkar, Rekha Ediga, Shilpa Basety, Shwetha Dammareddy, Phani Sreeharsha Kasumalla, Umamaheswara Raju, Janaki Manduva, Naresh Kolakani, Shreeja Sripathi, Sheetal Chaitanya, Mradul Kumar Daga, Munisha Agarwal, Ishan Rohtagi, Sridhar Papani, Mahesh Kamuram, Kamlesh Kumar Agrawal, Vijendra Baghel, Kirti Kumar Patel, Surapaneni Krishna Mohan, Ekambaram Jyothisree, Wataru Matsuda, Reina Suzuki, Michihito Kyo, Yuki Itagaki, Akira Kodate, Yuki Takahashi, Koyo Moriki, Fatimah Hassan-Hanga, Hadiza Galadanci, Abubakar Shehu Gezawa, Halima M. S. Kabara, Taiwo Gboluwaga Amole, Halima Kabir, Dalha Gwarzo Haliru, Abdullahi S Ibrahim, Muhammad Sohaib Asghar, Mashaal Syed, Syed Anosh Ali Naqvi, Igor Borisovich Zabolotskikh, Konstantin Dmitrievich Zybin, Sergey Vasilevich Sinkov, Tatiana Sergeevna Musaeva, Mohammed A Almazyad, Mohammed I Alarifi, Jara M Macarambon, Ahmad Abdullah Bukhari, Hussain A. Albahrani, Kazi N Asfina, Kaltham M Aldossary, Marija Zdravkovic, Zoran Todorovic, Viseslav Popadic, Slobodan Klasnja, Bojan Kovacevic, Jovana Bojicic, Predrag D Stevanovic, Dejan S Stojakov, Duska K Ignjatovic, Suzana C Bojic, Marina M Bobos, Irina B Nenadic, Milica S Zaric, Marko D Djuric, Vladimir R Djukic, Santiago Y. Teruel, Belen C. Martin, Uluhan Sili, Huseyin Bilgin, Pinar Ay, Abhijit A Raval, Andrea Franks, Anmol Kharbanda, Sunil Jhajhria, Zachary Fyffe, Stephen Capizzi, Bethany Alicie, Martha Green, Lori Crockarell, Amelia Drennan, Kathleen Dubuque, Tonya Fambrough, Nikole Gasaway, Briana Krantz, Peiman Nebi, Jan Orga, Margaret Serfass, Alina Simion, Kimberly Warren, Cassie Wheeler, CJ Woolman, Amy B. Christie, Dennis W. Ashley, Rajani Adiga, Andrew S. Moyer, George M. Verghese, Andrea Sikora Newsome, Christy C. Forehand, Rebecca Bruning, Timothy W. Jones, Moldovan Sabov, Fatema Zaidi, Fiona Tissavirasingham, Dhatri Malipeddi, Donna Lee Armaignac, Don Parris, Maria Pilar Zuniga, Ilea Vargas, Viviana Boronat, Anneka Hutton, Navneet Kaur, Prashank Neupane, Nohemi Sadule-Rios, Lourdes M. Rojas, Aashish Neupane, Priscilla Rivera, Carlos Valle Carlos, Gregory Vincent, Valerie M. Banner-Goodspeed, Somnath Bose, Lauren E. Kelly, Melisa Joseph, Marie McGourty, Krystal Capers, Benjamin Hoenig, Maria C. Karamourtopoulos, Anica C. Law, Elias N. Baedorf Kassis, Allan J. Walkey, Sushrut S. Waikar, Michael A. Garcia, Mia Colona, Zoe Kibbelaar, Michael Leong, Daniel Wallman, Kanupriya Soni, Jennifer Maccarone, Joshua Gilman, Ycar Devis, Joseph Chung, Munizay Paracha, David N. Lumelsky, Madeline DiLorenzo, Najla Abdurrahman, Shelsey Johnson, Kimberly Zammit, Patrick, J McGrath, William Loeffler, Maya, R Chilbert, Raghavendra Tirupathi, Alymer Tang, Arshad Safi, Cindy Green, Jackie Newell, Katja M. Gist, Imran A Sayed, John Brinton, Larisa Strom, Steven K. Daugherty, Sam Atkinson, Kelly Shrimpton, David P. Yamane, Ivy Benjenk, Nivedita Prasanna, Norma Smalls, Michael Smith, William Snow, Riley Liptak, Hannah Durant, Valerie Pendleton, Alay Nanavati, Risa Mrozowsk, Yuk Ming Liu, Sarah Zavala, Esther Shim, Ronald A. Reilkoff, Julia A. Heneghan, Sarah Eichen, Lexie Goertzen, Scott Rajala, Ghislaine Feussom, Ben Tang, Christine C. Junia, Robert Lichtenberg, Hasrat Sidhu, Diana Espinoza, Shelden Rodrigues, Maria Jose Zabala, Daniela Goyes, Ammu Susheela, Buddhi Hatharaliyadda, Naveen Rameshkumar, Amulya Kasireddy, Genessis Maldonado, Lisseth Beltran, Akshata Chaugule, Hassan Khan, Rodrigo Cartin-Ceba, Ayan Sen, Amanda Palacios, Giyth M. Mahdi, Rahul Kashyap, Ognjen Gajic, Vikas Bansal, Aysun Tekin, Amos Lal, John C. O’Horo, Neha N. Deo, Mayank Sharma, Shahraz Qamar, Juan Pablo Domecq, Romil Singh, Alex Niven, Abigail La Nou, Marija Bogojevic, Barbara Mullen, Devang Sanghavi, Pablo Moreno Franco, Pramod Guru, Karthik Gnanapandithan, Hollie Saunders, Zachary Fleissner, Juan Garcia, Alejandra Yu, Lee Mateus, Siva Naga Yarrarapu, Nirmaljot Kaur, Abhisekh Giri, Syed Anjum Khan, Nitesh Kumar Jain, Thoyaja Koritala, Jessica Timmer, Kimberly Welker, Chakradhar Venkata, Miriam Engemann, Annamarie Mantese, Anna Eschler, Mary Hejna, Emily Lewandowski, Kristen Kusmierski, Clare Martin, Bhagat S. Aulakh, Sandeep Tripathi, Jennifer A. Bandy, Lisa M. Kreps, Dawn R. Bollinger, Roger Scott Stienecker, Andre G. Melendez, Tressa A. Brunner, Sue M Budzon, Jessica L. Heffernan, Janelle M. Souder, Tracy L. Miller, Andrea G. Maisonneuve, Brian L. Delmonaco, Anthony Franklin, Mitchell Heath, Antonia L. Vilella, Sara B. Kutner, Kacie Clark, Danielle Moore, Harry L. Anderson, III, Dixy Rajkumar, Ali Abunayla, Jerrilyn Heiter, Howard A. Zaren, Stephanie J. Smith, Grant C. Lewis, Lauren Seames, Cheryl Farlow, Judy Miller, Gloria Broadstreet, Anthony Martinez, Micheal Allison, Aniket Mittal, Rafael Ruiz, Aleta Skaanland, Robert Ross, Paul K Mohabir, Connor G O’Brien, Komal Dasani, Neha Gupta, Tracy L Jones, Shonda C Ayers, Amy B Harrell, Brent R Brown, Megan Edwards, Caleb Darby, Kristy Page, Amanda Brown, Jessie McAbee, Katherine A. Belden, Michael Baram, Devin M. Weber, Rosalie DePaola, Yuwei Xia, Hudson Carter, Aaron Tolley, Mary Barletta, Mary Ferranti, Benjamin J Sines, Thomas J Bice, Patrick W. McGonagill, Colette Galet, Janice Hubbard, David Wang, Lauren Allan, Aditya Badheka, Madhuradhar Chegondi, Usman Nazir, Garrett Rampon, Jake Riggle, Nathan Dismang, Roger A. Alvarez, Amarilys Alarcon-Calderon, Marie Anne Sosa, Sunita K. Mahabir, Mausam J. Patel, Dima Dandachi, Hariharan Regunath, Maraya N. Camazine, Grant. E. Geiger, Abdoulie O. Njai, Baraa M. Saad, Renee D. Stapleton, Anne E. Dixon, Olivia Johnson, Sara S. Ardren, Stephanie Burns, Anna Raymond, Erika Gonyaw, Kevin Hodgdon, Chloe Housenger, Benjamin Lin, Karen McQuesten, Heidi Pecott-Grimm, Julie Sweet, Sebastian Ventrone, Ashish K. Khanna, Lynne Harris, Bruce Cusson, Jacob Fowler, David Vaneenenaam, Glen McKinney, Imoh Udoh, Kathleen Johnson, Vishwanath Pattan, Jessica Papke, Ismail Jimada, Nida Mhid, Samuel Chakola, Kevin Sheth, Abdalla Ammar, Mahmoud Ammar, Victor Torres Lopez, Charles Dela Cruz, Akhil Khosla, and Samir Gautam

Subjects
medicine.medical_specialty, hydroxychloroquine, Observational Study, dexamethasone, Viral Infection and Respiratory Illness Universal Study, Logistic regression, law.invention, coronavirus disease 2019, Therapeutic index, Randomized controlled trial, law, antiviral agents, Pandemic, medicine, Intensive care medicine, RC86-88.9, business.industry, Medical emergencies. Critical care. Intensive care. First aid, Hydroxychloroquine, General Medicine, Odds ratio, Clinical trial, ComputingMethodologies_DOCUMENTANDTEXTPROCESSING, business, Cohort study, medicine.drug
Abstract

Supplemental Digital Content is available in the text., IMPORTANCE: At the start of the coronavirus disease 2019 pandemic, medications repurposed for management of coronavirus disease 2019 were used in the absence of clinical trial evidence. OBJECTIVES: To describe the variation and evolution in use of repurposed medications for coronavirus disease 2019. DESIGN, SETTING, AND PARTICIPANTS: Observational cohort study of adults hospitalized with coronavirus disease 2019 between February 15, 2020, and April 12, 2021, across 76 United States and international hospitals within the Society of Critical Care Medicine’s Discovery Viral Infection and Respiratory Illness Universal Study coronavirus disease 2019 registry. MAIN OUTCOMES AND MEASURES: Hospital variation was quantified using multivariable adjusted random effects logistic regression models and unsupervised clustering. Repurposed medications included antivirals, corticosteroids, hydroxychloroquine, immunomodulators, and therapeutic dose anticoagulants. RESULTS: Among 7,069 adults hospitalized with coronavirus disease 2019, 1,979 (28%) received antivirals, 2,876 (41%) received corticosteroids, 1,779 (25%) received hydroxychloroquine, 620 (9%) received immunomodulators, and 2,154 (31%) received therapeutic dose anticoagulants. Contribution of hospital site to risk-adjusted variation was 46% for antivirals, 30% for corticosteroids, 48% for hydroxychloroquine, 46% for immunomodulators, and 52% for therapeutic dose anticoagulants. Compared with the early pandemic, the later pandemic practice phenotypes converged with increased use of antivirals (odds ratio, 3.14; 95% CI, 2.40–4.10) and corticosteroids (odds ratio, 5.43; 95% CI, 4.23–6.97), with decreased use of hydroxychloroquine (odds ratio, 0.02; 95% CI, 0.01–0.04) and immunomodulators (odds ratio, 0.49; 95% CI, 0.34–0.70). There was no clinically significant change in the use of therapeutic dose anticoagulants (odds ratio, 1.01; 95% CI, 1.01–1.02). There were no differences in risk-adjusted mortality between hospitals with high rates of repurposed medication use compared with hospitals with low rates of use. CONCLUSIONS AND RELEVANCE: Hospital variation in the use of repurposed medications varied widely across hospitals early in the pandemic and later converged with the emergence of randomized clinical trials. Platforms developed for rapid activation and enrollment in clinical trials of repurposed medications are needed prior to the next pandemic to expedite effective, evidence-based practice.

Published
2021

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