Results 11 to 20 of about 33,340 (222)

Superinfection and the evolution of an initial asymptomatic stage [PDF]

Royal Society Open Science, 2021
Pathogens have evolved a variety of life-history strategies. An important strategy consists of successful transmission by an infected host before the appearance of symptoms, that is, while the host is still partially or fully asymptomatic.
Chadi M. Saad-Roy, Bryan T. Grenfell, Simon A. Levin, Lorenzo Pellis, Helena B. Stage, P. van den Driessche, Ned S. Wingreen   +6 more
doaj   +2 more sources

Retroviral superinfection resistance [PDF]

Retrovirology, 2005
AbstractThe retroviral phenomenon of superinfection resistance (SIR) defines an interference mechanism that is established after primary infection, preventing the infected cell from being superinfected by a similar type of virus. This review describes our present understanding of the underlying mechanisms of SIR established by three characteristic ...
Nethe, M., Berkhout, B., van der Kuyl, A.C.   +2 more
openaire   +8 more sources

Double trouble: how co- and superinfections shape viral dynamics and host responses [PDF]

Journal of Virology
Concurrent infection of humans by multiple distinct viruses is a common biological phenomenon with important consequences for virus-host interactions.
Marta Bermejo-Jambrina, Mindaugas Paužuolis, Janine Kimpel, Gisa Gerold   +3 more
doaj   +2 more sources

Vibrio parahaemolyticus quorum sensing controls phage VP882 transmission [PDF]

mBio
Quorum sensing is a cell-to-cell communication process bacteria use to orchestrate collective behaviors. Quorum sensing involves the production, release, and detection of extracellular signal molecules called autoinducers.
Molly R. Sargen, Bonnie L. Bassler
doaj   +2 more sources

Divergent macrophage responses to Influenza A virus and Streptococcus pneumoniae: co-infection drives bacterial dominance whereas superinfection favors viral priming [PDF]

Frontiers in Immunology
IntroductionRespiratory coinfections involving Influenza viruses, including Influenza A viruses (IAV) and bacteria, significantly worsen disease severity and remain a major public health concern, particularly during seasonal and pandemic flu outbreaks ...
Javier Arranz-Herrero, Javier Arranz-Herrero, Javier Arranz-Herrero, Jana Baranda, Jana Baranda, Jana Baranda, Sergio Rius-Rocabert, Sergio Rius-Rocabert, Mikel Moreno-Vadillo, Mikel Moreno-Vadillo, Ivan Gonzalez-Ruiz, Ivan Gonzalez-Ruiz, Alberto Miranda-Bedate, Elena Pinelli, Ines Inchausti-Moya, Ines Inchausti-Moya, Sara Izpura-Luis, Sara Izpura-Luis, Vicent Tur-Planells, Vicent Tur-Planells, Vicent Tur-Planells, Paloma Reche, Paloma Fernandez, Yolanda Revilla, Gustavo Del Real, Adolfo García-Sastre, Adolfo García-Sastre, Adolfo García-Sastre, Adolfo García-Sastre, Adolfo García-Sastre, Adolfo García-Sastre, César B Gutiérrez-Martín, Jordi Ochando, Jordi Ochando, Estanislao Nistal-Villan, Estanislao Nistal-Villan   +35 more
doaj   +2 more sources

Frequency and implications of HIV superinfection [PDF]

The Lancet Infectious Diseases, 2013
HIV superinfection occurs when an individual with HIV is infected with a new distinct HIV viral strain. Superinfection has been reported throughout the world, and studies have recorded incidence rates of 0-7·7% per year. Use of next-generation sequencing has improved detection of superinfection, which can be transmitted by injecting drug use and sexual
Redd, Andrew D, Quinn, Thomas C, Tobian, Aaron AR   +2 more
openaire   +3 more sources

The host transcriptional response to superinfection by influenza A virus and Streptococcus pneumoniae

mSystems
Secondary bacterial challenges during influenza virus infection “superinfection”) cause excessive mortality and hospitalization. Here, we present a longitudinal study of bulk gene expression changes in murine lungs during superinfection, with an initial ...
Ofir Cohn, Gal Yankovitz, Michal Mandelboim, Naama Peshes-Yaloz, Rachel Brandes, Eran Bacharach, Irit Gat-Viks   +6 more
doaj   +2 more sources

Persistent pancreatic enzyme elevation is correlated with superinfection in acute pancreatitis with fluid collections: a prospective, multicentre cohort analysis [PDF]

Frontiers in Cellular and Infection Microbiology
BackgroundSuperinfection of pancreatic fluid collections (PFCs) is a major determinant of late morbidity and mortality in acute pancreatitis (AP). Persistent Pancreatic Enzyme Elevation (PPEE), may contribute to fluid stasis and infection; however, its ...
Balázs Lázár, Balázs Lázár, Zsolt Abonyi-Tóth, Zsolt Abonyi-Tóth, Vivien Vass, Andrea Szentesi, Andrea Szentesi, Dalma Dobszai, Dalma Dobszai, Áron Vincze, Ferenc Izbéki, Mária Papp, László Czakó, Péter Jenő Hegyi, Péter Jenő Hegyi, Bálint Erőss, Bálint Erőss, Bálint Erőss, Péter Hegyi, Péter Hegyi, Péter Hegyi, Péter Hegyi, the Hungarian Pancreatic Study Group   +22 more
doaj   +2 more sources

Routine Surveillance of Healthcare-Associated Infections Misses a Significant Proportion of Invasive Aspergillosis in Patients with Severe COVID-19

Journal of Fungi, 2022
Rates of invasive aspergillosis (IA) among COVID-19 ICU patients seem to reach over 30% in certain settings. At Vienna General Hospital (VGH), all rooms in COVID-19 ICUs were put under negative pressure as a protective measure, thus increasing the risk ...
Julia Ebner, Miriam Van den Nest, Lukas Bouvier-Azula, Astrid Füszl, Cornelia Gabler, Birgit Willinger, Magda Diab-Elschahawi, Elisabeth Presterl   +7 more
doaj   +1 more source

Synergistic Immunosuppression of Avian Leukosis Virus Subgroup J and Infectious Bursal Disease Virus Is Responsible for Enhanced Pathogenicity

Viruses, 2022
In recent years, superinfections of avian leukosis virus subgroup J (ALV-J) and infectious bursal disease virus (IBDV) have been frequently observed in nature, which has led to the increasing virulence in infected chickens.
Weiguo Chen, Sheng Chen, Yu Nie, Wenxue Li, Hongxin Li, Xinheng Zhang, Feng Chen, Qingmei Xie   +7 more
doaj   +1 more source