--- title: "Influenza Update: Increased Detection H3N2" description: While still prevalent in 48 states, the influenza season has appeared to have peaked. However, the report from CDC last week indicated that of the influenza detected, 60% was type H3N2. image: https://blog.cola.org/hubfs/3-dimensional-model-of-influenza-virus-3d-graphical-representation-of-influenza-virion-ultrastructure-1.jpg --- ISO 9001:2015 - [Careers](http://www.cola.org/careers/) - [A Great Place to Work](http://www.cola.org/careers/a-great-place-to-work/) - [Current Openings](http://www.cola.org/careers/current-openings/) - [Press Room](http://www.cola.org/press-room/) - Member Login - [COLAcentral](https://www.colacentral.com) - [Board of Directors](http://board.cola.org/) - visit related COLA sites - [GiveBack365](http://www.GiveBack365.org) - [Lab Testing Matters](http://www.LabTestingMatters.org) - [MyConsultantCentral](http://www.myconsultantcentral.com/) - 1-800-981-9883 ![ColaUpdatedLogoStackedWhiteBackground-1](https://blog.cola.org/hs-fs/hubfs/ColaUpdatedLogoStackedWhiteBackground-1.png?width=306&height=111&name=ColaUpdatedLogoStackedWhiteBackground-1.png)   ![ColaUpdatedLogoStackedWhiteBackground-1](https://blog.cola.org/hs-fs/hubfs/ColaUpdatedLogoStackedWhiteBackground-1.png?width=210&height=76&name=ColaUpdatedLogoStackedWhiteBackground-1.png)   ISO 9001:2015 - 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[Tweet](https://twitter.com/share) While still prevalent in 48 states, the influenza season has appeared to have peaked.  However, the report from CDC last week indicated that of the influenza detected, 60% was type H3N2.  This type influenza causes more hospitalizations and deaths, especially in the elderly.  As you can see from the graph below, H1N1 has predominated until last week and this virus causes a milder form of influenza infection.    --- --- ![Flu](https://blog.cola.org/hs-fs/hubfs/Flu.png?width=1061&name=Flu.png)It is uncertain which type influenza virus will be spreading for the remainder of the season.  Recently the World Health Organization postponed its decision on which strains should be included in the influenza vaccine next season.   The CDC indicated that thus far this year, there have been 25 million influenza illnesses, approximately 300,000 hospitalizations and between 20,000 and 30,000 deaths.  I bring this information forward to remind us all that the influenza season is not over, a more aggressive viral type appears to be predominating, continue your laboratory testing as you have been doing this season and our patients need to continue to take precautions to avoid infection.   *Also, don't forget to stay connected and join our [Quality Lab Group](https://www.linkedin.com/groups/12067669?utm_campaign=E-Newsletters&utm_source=hs_email&utm_medium=email&utm_content=2&_hsenc=p2ANqtz-8fnN3G8A11fmX7PhJNxW_Wtfi3CDDVARgIRfAs8HwAr6ydFt7YraMnW2InLvTIwRI9QTU1v2P88WiYX_Ei0mg6CGcKIQ&_hsmi=2) on LinkedIn!*   [News](https://blog.cola.org/insider/topic/news), [clinical laboratory](https://blog.cola.org/insider/topic/clinical-laboratory) ### Related posts [The Next Big Thing in Diagnosis of Ebola](https://blog.cola.org/insider/fda-warning-potential-false-negative-cardiac-tests-0) December 04, 2019 [The Continued Rise in Cost of Healthcare](https://blog.cola.org/insider/the-continued-rise-in-cost-of-healthcare) February 06, 2020 [The A to Z of Testing for Folate Deficiency](https://blog.cola.org/insider/the-a-to-z-of-testing-for-folate-deficiency) January 16, 2020 [Scarlet Fever: The Comeback Kid](https://blog.cola.org/insider/scarlet-fever-the-comeback-kid) October 31, 2019 [FDA Warning: Potential False Negative Cardiac Tests](https://blog.cola.org/insider/fda-warning-potential-false-negative-cardiac-tests) November 14, 2019 [Declining Reimbursement in the Clinical Laboratory](https://blog.cola.org/insider/declining-reimbursement-in-the-clinical-laboratory) January 30, 2020 About the author ### Dr. John Daly ![](https://blog.cola.org/hubfs/John%20Daly%20-%20COLA_Headshot37.jpg) John T. Daly, M.D. received his MD degree at Weill Cornell University Medical College, performed his internship and residency in Anatomic and Clinical pathology at Duke University Medical Center and a residency in Forensic Pathology at the Office of the Chief Medical Examiner in Chapel Hill, N.C. He is board certified in anatomic, clinical and forensic pathology. Through the course of his career, Dr. Daly has had extensive experience directing and advising laboratories of all sizes including physician office practices, Federal Health Clinics, surgical centers, Community Hospitals and the integrated academic health system clinical laboratories of Duke Medicine. He retired as Director of Laboratories of Duke Medicine, and continues his affiliation as a member of the emeritus staff. 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