ONCOLOGY

Aspergillosis

Oct 27, 2020 by in ONCOLOGY Comments Off on Aspergillosis

Aspergillus is a ubiquitous organism with an ecological niche in the soil. Most disease is primarily caused by A. fumigatus , A. flavus , A. niger , A. terreus ,…

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Adenoviruses

Oct 27, 2020 by in ONCOLOGY Comments Off on Adenoviruses

Adenoviruses In the past few decades, significant progress has been made in understanding the epidemiology of adenovirus infections and developing preventative and therapeutic strategies. However, adenovirus infections remain a clinical…

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Respiratory viruses

Oct 27, 2020 by in ONCOLOGY Comments Off on Respiratory viruses

Epidemiology and risk factors The seasonality of respiratory virus infections among immunocompromised children is similar to that in the community ( Fig. 21.1 ). Respiratory syncytial virus (RSV) typically circulates…

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Human herpesvirus 6, 7, and 8

Oct 27, 2020 by in ONCOLOGY Comments Off on Human herpesvirus 6, 7, and 8

Over the past several decades, three novel human herpesviruses (HHVs) have been identified and designated HHV-6, HHV-7, and HHV-8. HHV-6 has since been designated as two distinct species, HHV-6A and…

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Herpes simplex and varicella-zoster viruses

Oct 27, 2020 by in ONCOLOGY Comments Off on Herpes simplex and varicella-zoster viruses

Herpes simplex virus (HSV) types 1 and 2 (HSV-1 and -2) and varicella-zoster virus (VZV) comprise the human α-herpesviruses, a subfamily of enveloped, double-stranded DNA viruses defined in part by…

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Cytomegalovirus

Oct 27, 2020 by in ONCOLOGY Comments Off on Cytomegalovirus

Viral infections represent a significant cause of morbidity and mortality among children who have undergone either solid organ (SOT) or hematopoietic stem cell transplantation (HSCT), as well as in children…

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Nontuberculous and tuberculous Mycobacterium

Oct 27, 2020 by in ONCOLOGY Comments Off on Nontuberculous and tuberculous Mycobacterium

Mycobacterium tuberculosis infection Epidemiology, risk factors, and pathogenesis Mycobacterium tuberculosis ( MTB) is among the most successful respiratory pathogens worldwide as the majority of those infected are asymptomatic and will…

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Bartonella, Legionella, Mycoplasma,and Ureaplasma

Oct 27, 2020 by in ONCOLOGY Comments Off on Bartonella, Legionella, Mycoplasma,and Ureaplasma

Bartonella Epidemiology and risk factors Bartonella species are fastidious, slow-growing, gram-negative bacilli. There are 45 different species that can cause disease in zoonotic hosts, with Bartonella henselae and Bartonella quintana…

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