An ensemble-based approach by fine-tuning the deep transfer learning models to classify pneumonia from chest X-ray images [PDF]
Pneumonia is caused by viruses, bacteria, or fungi that infect the lungs, which, if not diagnosed, can be fatal and lead to respiratory failure. More than 250,000 individuals in the United States, mainly adults, are diagnosed with pneumonia each year, and 50,000 die from the disease.
arxiv +1 more source
Streptococcus pneumoniae: Invasion and Inflammation
Streptococcus pneumoniae (the pneumoccus) is the leading cause of otitis media, community-acquired pneumonia, and bacterial meningitis. The success of the pneumococcus stems from its ability to persist in the population as a commensal and avoid killing ...
A. Loughran, C. Orihuela, E. Tuomanen
semanticscholar +1 more source
Decoding the double trouble: A mathematical modelling of co-infection dynamics of SARS-CoV-2 and influenza-like illness [PDF]
After the detection of coronavirus disease 2019 (Covid-19), caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in Wuhan, Hubei Province, China in late December, the cases of Covid-19 have spiralled out around the globe. Due to the clinical similarity of Covid-19 with other flulike syndromes, patients are assayed for other ...
arxiv
Automatic classification between COVID-19 pneumonia, non-COVID-19 pneumonia, and the healthy on chest X-ray image: combination of data augmentation methods [PDF]
Purpose: This study aimed to develop and validate computer-aided diagnosis (CXDx) system for classification between COVID-19 pneumonia, non-COVID-19 pneumonia, and the healthy on chest X-ray (CXR) images. Materials and Methods: From two public datasets, 1248 CXR images were obtained, which included 215, 533, and 500 CXR images of COVID-19 pneumonia ...
arxiv +1 more source
Streptococcus pneumoniae’s Virulence and Host Immunity: Aging, Diagnostics, and Prevention
Streptococcus pneumoniae is an infectious pathogen responsible for millions of deaths worldwide. Diseases caused by this bacterium are classified as pneumococcal diseases. This pathogen colonizes the nasopharynx of its host asymptomatically, but overtime
Lavida R. K. Brooks, G. Mias
semanticscholar +1 more source
Optimization of Loop-Mediated Isothermal Amplification Reaction for Detecting Streptococcus pneumoniae Serotypes in Clinical Nasopharynx Swab Samples [PDF]
Current molecular PCR-based methods for identifying Streptococcus pneumoniae, the primary cause of pneumonia, meningitis, and other invasive diseases, are accurate but require expensive infrastructure and have a long run time, which restricts their use ...
Mozef Tjandrawati+4 more
doaj +1 more source
Mechanisms of Naturally Acquired Immunity to Streptococcus pneumoniae
In this review we give an update on the mechanisms of naturally acquired immunity against Streptococcus pneumoniae, one of the major human bacterial pathogens that is a common cause of pneumonia, septicaemia, and meningitis.
E. Ramos-Sevillano+2 more
semanticscholar +1 more source
Competence in Streptococcus pneumoniae and Close Commensal Relatives: Mechanisms and Implications
The mitis group of streptococci comprises species that are common colonizers of the naso-oral-pharyngeal tract of humans. Streptococcus pneumoniae and Streptococcus mitis are close relatives and share ~60–80% of orthologous genes, but still present ...
G. Salvadori+3 more
semanticscholar +1 more source
Pneumococcus and the stress-gradient hypothesis: a trade-off links $R_0$ and susceptibility to co-colonization across countries [PDF]
Modern molecular technologies have revolutionized our understanding of bacterial epidemiology, but reported data across different settings remain under-integrated in common theoretical frameworks. Pneumococcus serotype co-colonization, caused by the polymorphic bacteria Streptococcus pneumoniae, has been increasingly investigated in recent years. While
arxiv
Rapid and early identification of Streptococcus pneumoniae from positive blood cultures is crucial for the management of patients with bloodstream infections (BSI).
Mohammed Suleiman+6 more
doaj