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  1. To ascertain the role of the lung microbiome in the development of severe pneumonia and its potential as a biomarker for disease progression.

    Authors: Loreto Vidaur, Amalur Guridi, Oihana Leizaola, Jokin Marin, Jordi Rello, Cristina Sarasqueta, Ane Sorarrain and Jose María Marimón
    Citation: Pneumonia 2025 17:10
  2. The incidence of pneumococcal pneumonia in the context of the Coronavirus Disease 2019 (COVID-19) pandemic, along with the real-world data on the ratio of non-invasive to invasive pneumococcal pneumonia, is an...

    Authors: King-Pui Florence Chan, Ting-Fung Ma, Hanshu Fang, Wai-Kai Tsui, James Chung-Man Ho, Mary Sau-Man Ip and Pak-Leung Ho
    Citation: Pneumonia 2025 17:9
  3. Respiratory syncytial virus (RSV) causes substantial morbidity and mortality across the lifespan, with the highest burden seen in infants and older adults. Recently approved immunizing agents, including long-a...

    Authors: Paolo Manzoni, Eugenio Baraldi, Irene Cetin, Stefania Maggi, Matteo Riccò, Roberta Siliquini, Giovanni Sotgiu and Elsa Viora
    Citation: Pneumonia 2025 17:8
  4. Streptococcus pneumoniae (the pneumococcus) is a leading cause of community-acquired pneumonia. Pneumococci are categorised into serotypes, based on the type of capsular polysaccharide produced, which has importa...

    Authors: Sam Manna, Belinda D. Ortika, Joel P. Werren, Casey L. Pell, Ilche Gjuroski, Stephanie W. Lo, Jason Hinds, Odgerel Tundev, Eileen M. Dunne, Bradford D. Gessner, Fiona M. Russell, E. Kim Mulholland, Tuya Mungun, Claire von Mollendorf, Stephen D. Bentley, Markus Hilty…
    Citation: Pneumonia 2025 17:7
  5. An increase in hospitalizations for respiratory illnesses due to Mycoplasma pneumoniae was reported in France in late October 2023. Data in primary care are scarce and microbiological or radiological investigatio...

    Authors: Caroline Guerrisi, Olivier Steichen, Titouan Launay, Isabelle Bardoulat, Delphine Viriot, Mathilde François, Aubane Renard, Josselin Le Bel, Louise Rossignol, Romain Palich, François Goehringer, Alexandre Bleibtreu, Isabelle Parent du Châtelet, Thomas Hanslik and Thierry Blanchon
    Citation: Pneumonia 2025 17:6
  6. Authors: Grace Mzumara, James Chirombo, Todd D. Swarthout, Naor Bar-Zeev, Philliness Prisca Harawa, Mohamed Sanusi Jalloh, Amir Kirolos, Victoria Mukhula, Laura Newberry, Olawale Ogunlade, Richard Wachepa, Neil French, Robert S. Heyderman and Pui-Ying Iroh Tam
    Citation: Pneumonia 2025 17:11

    The original article was published in Pneumonia 2024 16:23

  7. Pneumococcal pneumonia continues to be a significant global health burden, affecting both children and adults. Traditional diagnostic methods for sputum analysis remain challenging. The objective of this study...

    Authors: Ana G. Jop Vidal, Meg Francis, Maneesha Chitanvis, Kenichi Takeshita, Ithiel J. Frame, Poonam Sharma, Patricio Vidal, Claudio F. Lanata, Carlos Grijalva, William Daley and Jorge E. Vidal
    Citation: Pneumonia 2025 17:4
  8. Pneumococcal pneumonia is a common disease with a significant impact on morbidity and mortality among the elderly population. The main purpose of this meta-analysis was to estimate the prevalence of community-...

    Authors: Xinyue Luo, Qianli Yuan, Jing Li, Jiang Wu, Binghua Zhu and Min Lv
    Citation: Pneumonia 2025 17:5
  9. Studies on COVID-19 mortality during the Omicron-predominant wave have focused primarily on the inpatient/emergency room setting, and real-world data including both inpatients and outpatients are lacking.

    Authors: Koichi Miyashita, Hironao Hozumi, Kazuki Furuhashi, Eiji Nakatani, Yusuke Inoue, Hideki Yasui, Yuzo Suzuki, Masato Karayama, Noriyuki Enomoto, Tomoyuki Fujisawa, Naoki Inui, Toshiyuki Ojima and Takafumi Suda
    Citation: Pneumonia 2025 17:3
  10. A growing body of evidence suggests that prolonged use of inhaled corticosteroids (ICS) and proton pump inhibitors (PPIs) is associated with increased risks of pneumonia. A substantial proportion of people wit...

    Authors: Ann D. Morgan, Georgie M. Massen, Hannah R. Whittaker, Iain Stewart, Gisli Jenkins, Peter M. George and Jennifer K. Quint
    Citation: Pneumonia 2025 17:2
  11. Current guidelines recommend empiric antibiotic therapy for patients who require hospitalization for community-acquired pneumonia (CAP). We sought to determine whether clinical, imaging or laboratory features ...

    Authors: Ryan Ward, Alejandro J. Gonzalez, Justin A. Kahla and Daniel M. Musher
    Citation: Pneumonia 2025 17:1
  12. Pneumococcal disease, caused by Streptococcus pneumoniae, imposes a significant global health burden, particularly affecting vulnerable groups such as the elderly and immunocompromised. The 23-valent pneumococcal...

    Authors: Muhammed Shabil, Shilpa Gaidhane, Suhas Ballal, Sanjay Kumar, Mahakshit Bhat, Shilpa Sharma, M. Ravi Kumar, Sarvesh Rustagi, Mahalaqua Nazli Khatib, Nishant Rai, Sanjit Sah, Edward Mawejje, Ganesh Bushi, Kiran Bhopte, Rachna Kathuria and Ambanna Yappalparvi
    Citation: Pneumonia 2024 16:30
  13. Populations affected by humanitarian crises likely experience high burdens of pneumococcal disease. Streptococcus pneumoniae carriage estimates are essential to understand pneumococcal transmission dynamics and t...

    Authors: Kevin van Zandvoort, Abdirahman Ibrahim Hassan, Mohamed Omer Bobe, Casey L. Pell, Mohamed Saed Ahmed, Belinda D. Ortika, Saed Ibrahim, Mohamed Ismail Abdi, Mustapha A. Karim, Rosalind M. Eggo, Saleban Yousuf Ali, Jason Hinds, Saeed Mohamood Soleman, Rachael Cummings, Catherine R. McGowan, E. Kim Mulholland…
    Citation: Pneumonia 2024 16:25
  14. Most Canadians receive their care in community hospitals, yet most clinical research is conducted in academic hospitals. This study aims to compare patients with community acquired pneumonia (CAP) treated in a...

    Authors: Jennifer L.Y. Tsang, Kian Rego, Alexandra Binnie, Terry Lee, Anne Mccarthy, Juthaporn Cowan, Patrick Archambault, Francois Lellouche, Alexis F. Turgeon, Jennifer Yoon, Francois Lamontagne, Allison Mcgeer, Josh Douglas, Peter Daley, Robert Fowler, David M. Maslove…
    Citation: Pneumonia 2024 16:31
  15. Nucleic acid amplification tests (NAATs) greatly enhance the capacity to identify the etiology of pediatric complicated pneumonia. However, the use of pneumococcal conjugate vaccines could reduce the importanc...

    Authors: Joana Gomes-Silva, Marcos D. Pinho, Ana Friães, Mário Ramirez, José Melo-Cristino and Catarina Silva-Costa
    Citation: Pneumonia 2024 16:26
  16. Early prediction of non-invasive respiratory therapy (NIRT) failure is crucial to avoid needless prolongation of respiratory support and delayed endotracheal intubation. Data comparing the predictive value of ...

    Authors: Raffaele Scala, Teresa Renda, Sonia Bambina, Luca Guidelli, Stefania Arniani, Laura Carrassa and Simon Oczkowski
    Citation: Pneumonia 2024 16:22
  17. Streptococcus pneumoniae is the most frequent causative pathogen of bacterial pneumonia in children worldwide. Bangladesh introduced the 10-valent pneumococcal conjugate vaccine (PCV10) in their national immuniza...

    Authors: Stefan M. T. Vestjens, Suzan P. van Mens, Bob Meek, Tariq A. Lalmahomed, Ben de Jong, Doli Goswami, Bart J. M. Vlaminckx, Dilruba Ahmed, Bartelt M. de Jongh, Hubert P. Endtz, W. Abdullah Brooks and Ger T. Rijkers
    Citation: Pneumonia 2024 16:29
  18. This study aimed to assess the diagnostic and prognostic value of Aspergillus-specific IgG (Asp-IgG) for invasive pulmonary aspergillosis (IPA) in non-neutropenic non-hematologic patients.

    Authors: Meng-Rui Lee, Hsu-Liang Chang, Yung-Hsuan Chen, Chia-Jung Liu, Li-Ta Keng, Hung-Ling Huang, Jann-Yuan Wang, Chau-Chyun Sheu and Inn-Wen Chong
    Citation: Pneumonia 2024 16:28
  19. The aim of this study was to describe the characteristics of patients admitted to the intensive care unit with severe pneumonia due to SARS-CoV-2, comparing them according to successive waves, and to identify ...

    Authors: Sonia Tchakerian, Noémie Besnard, Vincent Brunot, Valérie Moulaire, Nacim Benchabane, Laura Platon, Delphine Daubin, Philippe Corne, Sonia Machado, Boris Jung, Eddine Bendiab, Liliane Landreau, Corrine Pelle, Romaric Larcher and Kada Klouche
    Citation: Pneumonia 2024 16:27
  20. Protective measures applied during the Covid-19 pandemic had a marked impact on the incidence of pneumonia. However, systematic data are lacking for hospitalizations for pneumonia and acute exacerbations of ch...

    Authors: Carla Bürke, Florent Baty, Frank Rassouli, Martin H. Brutsche and Werner C. Albrich
    Citation: Pneumonia 2024 16:24
  21. Patients with COVID-19 may experience a persistent increase in the blood urea nitrogen over creatinine ratio (PI-BUN/Cr). Its elevation could reflect multiple underlying pathophysiological processes beyond pre...

    Authors: Gustavo Casas Aparicio, Rosario Fernández Plata, Anjarath Higuera Iglesias, David Martínez Briseño, Rolando Claure-Del Granado, Manuel Castillejos Lopez, Joel Vázquez Pérez, Noé Alvarado Vásquez, Rafael Velázquez Cruz, Graciela Hernández Silva, Victor Ruiz, Ángel Camarena, Citlaltepetl Salinas Lara, Martha Tena Suck, Iñaki Montes de Oca Ambriz, Oswaldo Ortiz Toledo…
    Citation: Pneumonia 2024 16:20
  22. The 13-valent pneumococcal conjugate vaccine (PCV-13) was introduced in Malawi in 2011 with an expected impact of reducing pneumococcal pneumonia in children. We aimed to describe clinical characteristics and ...

    Authors: Grace Mzumara, James Chirombo, Todd D. Swarthout, Naor Bar-Zeev, Philliness Prisca Harawa, Mohamed Sanusi Jalloh, Amir Kirolos, Victoria Mukhula, Laura Newberry, Olawale Ogunlade, Richard Wachepa, Neil French, Robert S. Heyderman and Pui-Ying Iroh Tam
    Citation: Pneumonia 2024 16:23

    The Correction to this article has been published in Pneumonia 2025 17:11

  23. Streptococcus pneumoniae (S. pneumoniae) is a major cause of morbidity and mortality in children worldwide, and its evolving serotype distribution and antibiotic resistance patterns are of global health concern. ...

    Authors: Yue Li, Sijie Wang, Liang Hong, Lijing Xin, Fei Wang and Yibin Zhou
    Citation: Pneumonia 2024 16:18
  24. This retrospective cohort identified the association of human serum albumin (HSA) with adverse outcomes (septic shock, in-hospital and out-of-hospital mortality) in elderly hospitalized patients who have commu...

    Authors: Sha Huang, Lanlan Chen, Ning Yang, Jiao Zhang, Yan Wang and Xiaoyan Chen
    Citation: Pneumonia 2024 16:17
  25. Bacterial pneumonia is among the leading causes of morbidity and mortality worldwide. The extensive misuse and overuse of antibiotics observed during the Corona Virus Disease 2019 (COVID-19) pandemic may have ...

    Authors: Johannes Rukyaa, Martha F. Mushi, Vitus Silago, Prisca Damiano, Katherine Keenan, Wilber Sabiiti, Matthew T. G. Holden, Jeremiah Seni and Stephen E. Mshana
    Citation: Pneumonia 2024 16:16
  26. Haemophilus influenzae community-acquired pneumonia (CAP) is common, and it is equally common to Streptococcus pneumoniae in some settings. The purpose of this study was to provide additional data on patients aff...

    Authors: Linda Yamba Yamba, Karin Hansen, Lisa Wasserstrom, Yu-Ching Su, Jonas Ahl and Kristian Riesbeck
    Citation: Pneumonia 2024 16:15
  27. Ethiopia is one of those countries with higher burden of community acquired pneumonia among its people, under five children are the members of society that are highly affected by pneumonia particularly Severe ...

    Authors: Mekonnen Teferi, Elsabeth Addisu, Shambel Wodajo, Amare Muche, Abel Endawekie, Bezawit Adane, Tilahun Dessie and Natnael Kebede
    Citation: Pneumonia 2024 16:14
  28. Pneumonia is one of the leading causes of infant mortality globally, particularly in sub-Saharan Africa. In Uganda, pneumonia was the fourth leading cause of death in children <5 years in 2018. Analysis of 201...

    Authors: Mercy Wendy Wanyana, Richard Migisha, Patrick King, Abraham Kibaba Muhesi, Benon Kwesiga, Daniel Kadobera, Lilian Bulage and Alex Riolexus Ario
    Citation: Pneumonia 2024 16:13
  29. Tuberculosis remains a significant global health challenge. Tuberculosis affects millions of individuals worldwide. Early detection of tuberculosis plays a relevant role in the management of treatment of tuber...

    Authors: Josef Yayan, Karl-Josef Franke, Melanie Berger, Wolfram Windisch and Kurt Rasche
    Citation: Pneumonia 2024 16:11
  30. There exists consistent empirical evidence in the literature pointing out ample heterogeneity in terms of the clinical evolution of patients with COVID-19. The identification of specific phenotypes underlying ...

    Authors: Fernando García-García, Dae-Jin Lee, Mónica Nieves-Ermecheo, Olaia Bronte, Pedro Pablo España, José María Quintana, Rosario Menéndez, Antoni Torres, Luis Alberto Ruiz Iturriaga and Isabel Urrutia
    Citation: Pneumonia 2024 16:12
  31. The Covid-19 pandemic has caused immense pressure on Intensive Care Units (ICU). In patients with severe ARDS due to Covid-19, respiratory mechanics are important for determining the severity of lung damage. L...

    Authors: Evangelos Kaimakamis, Serafeim Kotoulas, Myrto Tzimou, Christos Karachristos, Chrysavgi Giannaki, Vassileios Kilintzis, Leandros Stefanopoulos, Evangelos Chatzis, Nikolaos Beredimas, Bruno Rocha, Diogo Pessoa, Rui Pedro Paiva, Nicos Maglaveras and Militsa Bitzani
    Citation: Pneumonia 2024 16:9
  32. The prevalence, clinical characteristics, and outcomes of invasive pulmonary aspergillosis in patients with severe community-acquired pneumonia (CAP) in intensive care units remain underestimated because of th...

    Authors: Wei-Chun Lee, Che-Chia Chang, Meng-Chin Ho, Chieh-Mo Lin, Shaw-Woei Leu, Chin-Kuo Lin, Yu-Hung Fang, Shu-Yi Huang, Yu-Ching Lin, Min-Chun Chuang, Tsung-Ming Yang, Ming-Szu Hung, Yen-Li Chou, Ying-Huang Tsai and Meng-Jer Hsieh
    Citation: Pneumonia 2024 16:10
  33. In primary care, identifying pneumonia events in people with chronic obstructive pulmonary disease (COPD) may be challenging due to similarities in symptoms with COPD exacerbations and lack of diagnostic testi...

    Authors: Alexander J. Adamson, Constantinos Kallis, Ian Douglas and Jennifer K. Quint
    Citation: Pneumonia 2024 16:8
  34. Leprosy reactions often require prolonged high-dose steroids or immunosuppressive drugs, putting patients at risk of Pneumocystis jirovecii pneumonia (PJP). However, no PJP cases are reported, possibly due to dap...

    Authors: Nuria Ramírez-Perea, Claudia Moran-Castaño and Jose A. Perez-Molina
    Citation: Pneumonia 2024 16:6
  35. Klebsiella pneumoniae has become one of the major threats to public health as it causes nosocomial and community-acquired infections like lobar pneumonia. This infection causes acute inflammation in the lung, cha...

    Authors: Patrick Hervé Diboue Betote, Esther Del Florence Ndedi Moni, Sonia Raïssa Gayap Matchuenkam, Sandrine Suzanne Bayengue Beack, Rodrigue Fifen, Raogo Ouedraogo, Gabriel A. Agbor, Rasmané Semde, Nga Nnanga and Maximilienne Ascension Nyegue
    Citation: Pneumonia 2024 16:5
  36. This study aimed to examine the utility of simultaneously performed the Film Array pneumonia panels (pneumonia panels) and Gram staining with the same specimens and evaluate their effect on antimicrobial selec...

    Authors: Hiroshi Matsuura, Koudai Arimoto, Yoshihito Takahashi and Masafumi Kishimoto
    Citation: Pneumonia 2024 16:4
  37. To design a randomized clinical trial to assess the efficacy and safety of favipiravir in patients with COVID-19 disease with pneumonia.

    Authors: Juan P. Horcajada, Rebeca Aldonza, Mónica Real, Silvia Castañeda-Espinosa, Elena Sendra, Joan Gomez-Junyent, Inmaculada López-Montesinos, Silvia Gómez-Zorrilla, Silvia Briansó, Montserrat Duran-Taberna, Andrés Fernández, Cristina Tarragó and Teresa Auguet-Quintillá
    Citation: Pneumonia 2024 16:3
  38. Persistent respiratory symptoms following Coronavirus Disease 2019 (COVID-19) are associated with residual radiological changes in lung parenchyma, with a risk of development into lung fibrosis, and with impai...

    Authors: Jan Mizera, Samuel Genzor, Milan Sova, Ladislav Stanke, Radim Burget, Petr Jakubec, Martin Vykopal, Pavol Pobeha and Jana Zapletalová
    Citation: Pneumonia 2024 16:2
  39. Toll-like receptor 4 (TLR4) signaling mediates sustained systemic inflammation in(COVID)-19 patients. We aimed to assess the serum levels of sTLR4 and sCD14 as negative regulators of Toll like receptor signali...

    Authors: Maha E. Houssen, Marwa O. Elmaria, Dina Badr, Rasha El-Mahdy, Mayada A. Ghannam, Shaimaa El-Ashwah, May Denewer and Metwaly Ibrahim Mortada
    Citation: Pneumonia 2024 16:1
  40. Pneumococcal community-acquired pneumonia (P-CAP) is a major cause of morbidity and hospitalization. Several host genetics factors influencing risk of pneumococcal disease have been identified, with less infor...

    Authors: Lucía Boix-Palop, María J. Arranz, Anna Sangil, Beatriz Dietl, Mariona Xercavins, Josefa Pérez and Esther Calbo
    Citation: Pneumonia 2023 15:18
  41. The Novel Coronavirus disease (COVID-19) pandemic has become a global threat. Determining the time to recovery from COVID-19 is intended to assist healthcare professionals in providing better care, and plannin...

    Authors: Maru Zewdu Kassie, Molalign Gualu Gobena, Yihenew Mitiku Alemu and Awoke Seyoum Tegegne
    Citation: Pneumonia 2023 15:17
  42. Current microbiological tests fail to identify the causative microorganism in more than half of all pneumonia cases. We explored biomarkers that could be used for differentiating between bacterial and viral pn...

    Authors: Taiga Miyazaki, Kiyoyasu Fukushima, Kohji Hashiguchi, Shotaro Ide, Tsutomu Kobayashi, Toyomitsu Sawai, Kazuhiro Yatera, Yoshihisa Kohno, Yuichi Fukuda, Yoji Futsuki, Yuichi Matsubara, Hironobu Koga, Tomo Mihara, Eisuke Sasaki, Nobuyuki Ashizawa, Tatsuro Hirayama…
    Citation: Pneumonia 2023 15:16
  43. Respiratory pathogens, including SARS-CoV-2, can cause pulmonary structural damage and physiologic impairment, which may increase the risk of subsequent lower respiratory tract infections (LRTI). Prior hospita...

    Authors: Katia J. Bruxvoort, Heidi Fischer, Joseph A. Lewnard, Vennis X. Hong, Magdalena Pomichowski, Lindsay R. Grant, Luis Jódar, Bradford D. Gessner and Sara Y. Tartof
    Citation: Pneumonia 2023 15:15
  44. Thymosin drugs are commonly used for the treatment of viral infections due to their immunomodulatory effects. The comprehensive clinical efficacy of Thymalfasin therapy for COVID-19 associated pneumonia is not...

    Authors: Zirui Wang, Cong Wang, Xiaohua Fei, Haixing Wu, Peiqin Niu and Changxing Shen
    Citation: Pneumonia 2023 15:14
  45. Although the association between living in the vicinity of a goat farm and the occurrence of pneumonia is well-documented, it is unclear whether the higher risk of pneumonia in livestock dense areas is season-...

    Authors: C. Joris Yzermans, Youri P. Moleman, Peter Spreeuwenberg, Mark M.J. Nielen, Michel L.A. Dückers, Lidwien A.M. Smit and Christos Baliatsas
    Citation: Pneumonia 2023 15:13

Annual Journal Metrics

  • Citation Impact 2023
    Journal Impact Factor: 8.5
    5-year Journal Impact Factor: 5.9
    Source Normalized Impact per Paper (SNIP): N/A
    SCImago Journal Rank (SJR): N/A

    Speed 2024
    Submission to first editorial decision (median days): 10
    Submission to acceptance (median days): 160

    Usage 2024
    Downloads: 245,232
    Altmetric mentions: 110