| Annual estimates of the burden of seasonal influenza in the United States: A tool for strengthening influenza surveillance and preparedness |
40 |
| Underweight, overweight, and obesity as independent risk factors for hospitalization in adults and children from influenza and other respiratory viruses |
36 |
| Noninvasive ventilation in critically ill patients with the Middle East respiratory syndrome |
32 |
| Five years of monitoring for the emergence of oseltamivir resistance in patients with influenza A infections in the Influenza Resistance Information Study |
25 |
| Recovery of pulmonary functions, exercise capacity, and quality of life after pulmonary rehabilitation in survivors of ARDS due to severe influenza A (H1N1) pneumonitis |
18 |
| Clinical characteristics and severity of influenza infections by virus type, subtype, and lineage: A systematic literature review |
15 |
| 65 years of influenza surveillance by a World Health Organization-coordinated global network |
14 |
| Epidemiology of seasonal influenza in the Middle East and North Africa regions, 2010-2016: Circulating influenza A and B viruses and spatial timing of epidemics |
13 |
| Comparison of hemagglutination inhibition, single radial hemolysis, virus neutralization assays, and ELISA to detect antibody levels against seasonal influenza viruses |
13 |
| Risk factors for serious outcomes associated with influenza illness in high- versus low- and middle-income countries: Systematic literature review and meta-analysis |
12 |
| Estimating the burden of seasonal influenza in Spain from surveillance of mild and severe influenza disease, 2010-2016 |
11 |
| Effect of Vitamin D supplementation to reduce respiratory infections in children and adolescents in Vietnam: A randomized controlled trial |
11 |
| Regional patterns of genetic diversity in swine influenza A viruses in the United States from 2010 to 2016 |
10 |
| The WHO global influenza surveillance and response system (GISRS)A future perspective |
10 |
| Literature review of the epidemiology of influenza B disease in 15 countries in the Asia-Pacific region |
10 |
| Validation of self-reported influenza vaccination in the current and prior season |
10 |
| Human coronaviruses and other respiratory infections in young adults on a university campus: Prevalence, symptoms, and shedding |
9 |
| A newly developed tetraplex real-time RT-PCR for simultaneous screening of influenza virus types A, B, C and D |
9 |
| National burden of hospitalized and non-hospitalized influenza-associated severe acute respiratory illness in Kenya, 2012-2014 |
9 |
| Burden and epidemiology of influenza- and respiratory syncytial virus-associated severe acute respiratory illness hospitalization in Madagascar, 2011-2016 |
9 |
| Longitudinal active sampling for respiratory viral infections across age groups |
9 |
| Antigenic evolution of H3N2 influenza A viruses in swine in the United States from 2012 to 2016 |
8 |
| Influenza B viruses in pigs, Taiwan |
7 |
| Seasonality and clinical impact of human parainfluenza viruses |
7 |
| 1918 pandemic morbidity: The first wave hits the poor, the second wave hits the rich |
7 |
| Species-specific clinical characteristics of human coronavirus infection among otherwise healthy adolescents and adults |
7 |
| Mortality burden from seasonal influenza and 2009 H1N1 pandemic influenza in Beijing, China, 2007-2013 |
7 |
| Effects of seasonal and pandemic influenza on health-related quality of life, work and school absence in England: Results from the Flu Watch cohort study |
7 |
| Viral etiologies of influenza-like illness and severe acute respiratory infections in Thailand |
7 |
| Burden of medically attended influenza in Norway 2008-2017 |
7 |
| The national burden of influenza-associated severe acute respiratory illness hospitalization in Zambia, 2011-2014 |
6 |
| Estimating burden of influenza-associated influenza-like illness and severe acute respiratory infection at public healthcare facilities in Romania during the 2011/12-2015/16 influenza seasons |
6 |
| The effects of meteorological factors on influenza among children in Guangzhou, China |
6 |
| Health and economic burden of influenza-associated illness in South Africa, 2013-2015 |
6 |
| Circulation and characterization of seasonal influenza viruses in Cambodia, 2012-2015 |
5 |
| Risk factors for bronchiolitis severity: A retrospective review of patients admitted to the university hospital from central region of Slovenia |
5 |
| The impact of influenza infection on young children, their family and the health care system |
5 |
| The national burden of influenza-associated severe acute respiratory illness hospitalization in Rwanda, 2012-2014 |
5 |
| Estimating the burden of influenza-associated hospitalization and deaths in Oman (2012-2015) |
5 |
| Dynamics of influenza in tropical Africa: Temperature, humidity, and co-circulating (sub)types |
5 |
| Much ado about flu: A mixed methods study of parental perceptions, trust and information seeking in a pandemic |
5 |
| Estimates of seasonal influenza-associated mortality in Bangladesh, 2010-2012 |
4 |
| Burden of influenza, respiratory syncytial virus, and other respiratory viruses and the completeness of respiratory viral identification among respiratory inpatients, Canada, 2003-2014 |
4 |
| 2015/16 I-MOVE/I-MOVE plus multicentre case-control study in Europe: Moderate vaccine effectiveness estimates against influenza A(H1N1)pdm09 and low estimates against lineage-mismatched influenza B among children |
4 |
| WHO guide on the economic evaluation of influenza vaccination |
4 |
| Resource utilization and cost of influenza requiring hospitalization in Canadian adults: A study from the serious outcomes surveillance network of the Canadian Immunization Research Network |
4 |
| Heterogeneous estimates of influenza virus types A and B in the elderly: Results of a meta-regression analysis |
4 |
| Consecutive influenza surveillance of neuraminidase mutations and neuraminidase inhibitor resistance in Japan |
4 |
| The effect of neuraminidase inhibitors on household transmission in Japanese patients with influenza A and B infection: A prospective, observational study |
4 |
| Factors influencing refusing of flu vaccination among pregnant women in Italy: Healthcare workers' role |
4 |