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 »  Abstract
 »  Introduction to ...
 »  New H7n9 Influen...
 »  References

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  Table of Contents  
REVIEW ARTICLE
Year : 2014  |  Volume : 51  |  Issue : 4  |  Page : 414
 

H7N9 influenza: The concern in oncology


1 Sanitation 1 Medical Academic Center, Bangkok, Thailand
2 Hainan Medical University, China; Faculty of Medicine, University of Nis, Serbia; Joseph Ayobabalola University, Nigeria; Chulalongkorn University, Bangkok, Thailand

Date of Web Publication1-Feb-2016

Correspondence Address:
B Joob
Sanitation 1 Medical Academic Center, Bangkok
Thailand
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0019-509X.175312

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 » Abstract 

Emerging influenza is at great concern at present. Since early 2013, the new emerging H7N9 influenza has been detected in China. As a new disease, it is lack for knowledge on this emerging disease. Here, the author will discuss on this new emerging influenza and concern in oncology.


Keywords: Bird, emerging, H7N9, influenza, oncology


How to cite this article:
Joob B, Wiwanitkit V. H7N9 influenza: The concern in oncology. Indian J Cancer 2014;51:414

How to cite this URL:
Joob B, Wiwanitkit V. H7N9 influenza: The concern in oncology. Indian J Cancer [serial online] 2014 [cited 2019 Aug 22];51:414. Available from: http://www.indianjcancer.com/text.asp?2014/51/4/414/175312



 » Introduction to New H7n9 Bird Flu Top


New emerging of cross species atypical influenza virus infection is an important concern at present.[1],[2] Basically, influenza is within the group of respiratory infectious disease and it can be seen around the world. Virologically, there are many groups of influenza viruses can that causes infection. Some cause human infections while the others cause animal infection. However, the cross species infections are usually problematic and the new infections have the trend for world-wide pandemic. The previous H5N1 bird flu [3] and H1N1 swine flu [4] are the good examples of new problematic infections.

Since early 2013, the new emerging H7N9 influenza has been detected in China.[5],[6],[7] H7N9 influenza is caused by mutated type of known influenza virus that causes avian disease.[8],[9] However in China scenario, it is reported as the newest emerging human infection.[5],[6] As a new disease, it is lack for knowledge on this emerging disease.

Here, the author will discuss on this new emerging influenza and concern in oncology.


 » New H7n9 Influenza Infection in Cancer Patients Top


The new H7N9 influenza can cause atypical clinical features, which consist of classical acute respiratory illness and additional atypical clinical signs and symptoms (such as diarrhea and conjunctivitis).[7],[10],[11] The new infection causes disease in any sex and age group. It also causes the disease in patients with underlying diseases. Focusing on cancer patient, there is still no report for H7N9 influenza. Nevertheless, it is no doubt that cancer patients are at risk for get severe influenza.[12] The prevention of influenza is an important practice in preventive oncology. In general, influenza vaccination is recommended for the cancer patients.[13] However as a new infection, the vaccine is still not available for the case of H7N9 bird flu.

It is no doubt that the cancer patient is classified as a risk group to get the new H7N9 influenza. However, according to the recommendation by centers for disease control, the antiviral prophylaxis is not suggested for a cancer patient.

 
 » References Top

1.
Bush RM. Influenza as a model system for studying the cross-species transfer and evolution of the SARS coronavirus. Philos Trans R Soc Lond B Biol Sci 2004;359:1067-73.  Back to cited text no. 1
    
2.
Sansonetti P. How to define the species barrier to pathogen transmission? Bull Acad Natl Med 2006;190:611-22.  Back to cited text no. 2
    
3.
Trampuz A, Prabhu RM, Smith TF, Baddour LM. Avian influenza: A new pandemic threat? Mayo Clin Proc 2004;79:523-30.  Back to cited text no. 3
    
4.
Vincent AL, Ma W, Lager KM, Janke BH, Richt JA. Swine influenza viruses a North American perspective. Adv Virus Res 2008;72:127-54.  Back to cited text no. 4
    
5.
Centers for Disease Control and Prevention (CDC). Emergence of avian influenza A (H7N9) virus causing severe human illness-China, February-April 2013. MMWR Morb Mortal Wkly Rep 2013;62:366-71.  Back to cited text no. 5
    
6.
Tang RB, Chen HL. An overview of the recent outbreaks of the avian-origin influenza A (H7N9) virus in the human. J Chin Med Assoc 2013;76:245-8.  Back to cited text no. 6
    
7.
Kageyama T, Fujisaki S, Takashita E, Xu H, Yamada S, Uchida Y, et al. Genetic analysis of novel avian A (H7N9) influenza viruses isolated from patients in China, February to April 2013. Euro Surveill 2013;18:20453.  Back to cited text no. 7
    
8.
Bertran K, Pérez-Ramírez E, Busquets N, Dolz R, Ramis A, Darji A, et al. Pathogenesis and transmissibility of highly (H7N1) and low (H7N9) pathogenic avian influenza virus infection in red-legged partridge (Alectoris rufa). Vet Res 2011;42:24.  Back to cited text no. 8
    
9.
Pasick J, Pedersen J, Hernandez MS. Avian influenza in North America, 2009-2011. Avian Dis 2012;56 Suppl 4:845-8.  Back to cited text no. 9
    
10.
Parry J. H7N9 avian flu infects humans for the first time. BMJ 2013;346:f2151.  Back to cited text no. 10
    
11.
Liu D, Shi W, Shi Y, Wang D, Xiao H, Li W, et al. Origin and diversity of novel avian influenza A H7N9 viruses causing human infection: Phylogenetic, structural, and coalescent analyses. Lancet 2013;381:1926-32.  Back to cited text no. 11
    
12.
Wiwanitkit V. Swine flu: High mortality in cancer patients. Indian J Cancer 2010;47:231.  Back to cited text no. 12
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13.
Wiwanitkit V. Influenza vaccination for cancer patients: Tertiary prevention of mortality. Asian Pac J Cancer Prev 2009;10:717-8.  Back to cited text no. 13
    




 

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