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Year : 2014  |  Volume : 7  |  Issue : 2  |  Page : 144-145
Influenza A (H1N1) 2009 pandemic infection and vaccination in asthmatic patients

Hainan Medical University, Haikou, China; Faculty of Medicine, University of Nis, Niš, Serbia; Joseph Ayobabalola University, Ikeji-Arakeji, Nigeria

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Date of Web Publication8-Dec-2014

How to cite this article:
Wiwanitkit V. Influenza A (H1N1) 2009 pandemic infection and vaccination in asthmatic patients. Ann Trop Med Public Health 2014;7:144-5

How to cite this URL:
Wiwanitkit V. Influenza A (H1N1) 2009 pandemic infection and vaccination in asthmatic patients. Ann Trop Med Public Health [serial online] 2014 [cited 2021 Apr 14];7:144-5. Available from:
Dear Sir,

The influenza A (H1N1) 2009 pandemic infection in asthmatic patients is very interesting. The attempt to control of H1N1 pdm09 virus infection among the asthmatic patients is a challenging topic. [1] Koshio et al. noted "the effectiveness of the vaccination against the H1N1 pdm09 virus was confirmed during the first pandemic season, but it was limited." [1] Indeed, the influenza vaccine is generally recommended for the asthmatic patients. An important fact is asthma is a common "comorbid condition in patients infected with this virus." [2] Hence, the control of influenza might be usefulness in asthma control. However, there are many facts to be discussed. First, whether the vaccine is actually effective in decreasing the problem of asthma is still questionable. Asthma might be less frequent in some seasons and this might be misinterpreted as a result of vaccination. Second, although it is usually mild, the "postinoculation respiratory illness" is a common problem after influenza vaccination in asthmatic patients. [3] Nevertheless, it is no doubt that vaccine is useful for prevention of influenza among the patients with asthma. [4] Finally, it should also be noted that the problem of vaccine coverage among asthma patients still exists and is a problem for further management. [5],[6]

   References Top

Koshio N, Hasegawa T, Suzuki K, Tanabe Y, Koya T, Sakagami T, et al. Analysis of the influenza A (H1N1) 2009 pandemic infection in Japanese asthmatic patients: Using a questionnaire-based survey. Allergol Int 2014;63:67-74.  Back to cited text no. 1
Obuchi M, Adachi Y, Takizawa T, Sata T. Influenza A(H1N1)pdm09 virus and asthma. Front Microbiol 2013;4:307.  Back to cited text no. 2
Atmar RL, Bloom K, Keitel W, Couch RB, Greenberg SB. Effect of live attenuated, cold recombinant (CR) influenza virus vaccines on pulmonary function in healthy and asthmatic adults. Vaccine 1990;8:217-24.  Back to cited text no. 3
Busse WW, Peters SP, Fenton MJ, Mitchell H, Bleecker ER, Castro M, et al. Vaccination of patients with mild and severe asthma with a 2009 pandemic H1N1 influenza virus vaccine. J Allergy Clin Immunol 2011;127:130-7, 137.e1.  Back to cited text no. 4
Lu PJ, Callahan DB, Ding H, Euler GL. Influenza A (H1N1) 2009 monovalent vaccination among adults with asthma, U.S 2010. Am J Prev Med 2011;41:619-26.  Back to cited text no. 5
Leo HL, Clark SJ, Butchart AT, Singer DC, Clark NM, Davis MM. 2009 seasonal and H1N1 influenza vaccination compliance in asthmatic children and adults. J Allergy Clin Immunol 2010;126:166-8.  Back to cited text no. 6

Correspondence Address:
Viroj Wiwanitkit
Wiwanitkit House, Bangkhae, Bangkok, Thailand

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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/1755-6783.146440

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