Template:2009 US swine flu outbreak table
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Case Reporting in the United States
Case Classification
The CDC has defined three classifications for investigations of Swine-Origin Influenza A H1N1 Cases (S-OIV).[1]
- Confirmed: a person with an acute febrile respiratory illness with laboratory confirmed S-OIV infection by one or more of the following tests:
- real-time RT-PCR
- viral culture
- Probable: a person with an acute febrile respiratory illness who is positive for influenza A, but negative for H1 and H3 by influenza RT-PCR
- Suspected: a person with acute febrile respiratory illness with onset
- within 7 days of close contact with a person who is a confirmed case of S-OIV infection, or
- within 7 days of travel to community either within the United States or internationally where there are one or more confirmed cases of S-OIV infection, or
- resides in a community where there are one or more confirmed cases of S-OIV infection.
Daily Reporting
The CDC releases a daily update on confirmed cases by state at 11:00 am ET. Many state departments of health release updates on confirmed and probable cases throughout the day. Several states have developed dedicated websites for information on the flu outbreak. Others release numbers on their department of health website or though daily press reports.
All U.S. States and Puerto Rico have received testing kits and training from the CDC that permits them to do local confirmation of samples. Previously all samples had to be sent to CDC headquarters in Atlanta, causing considerable delay in reporting.
The numbers from state authorities are often out of synch with those in the CDC daily report, primarily because the CDC updates its figures less frequently. For instance, the Illinois Department of Public Health updated the number of confirmed cases in Illinois to 225 at 10 a.m. CT on May 6, 2009,[115] while the CDC update at 11:00 AM ET that day showed only 122 confirmed cases in Illinois.[116] The CDC report also currently lists one trans-state case. A Kentucky woman who had returned home from Mexico later traveled to Georgia where she was diagnosed and treated for swine flu. Both Georgia and Kentucky record the case on their websites; the CDC notes the case for Kentucky.
Some states, including Michigan, Massachusetts, Tennessee, have stopped reporting probable numbers since receiving their CDC testing kits.
On May 14th the CDC changed its daily report from only confirmed cases to 'Confirmed and Probable cases'.
In early June the CDC changed from daily reporting to weekly reporting. The CDC report is published each Friday at 11:00 based on numbers reported by 3pm the previous day.
Changes of Fundamental Reporting Principles
Several states have abandoned the counting of confirmed cases. In the second half of June Michigan has moved to 'aggregate flu reporting', where no difference is made between novel (pandemic) flu and seasonal flu. This step is justified by the finding, that at this point of the year more than 98% of detected flu cases are caused by the novel flu.[117][118] Other states, such as Utah (early June) and Washington (end of May), have started to report the number of hospitalized cases instead of infected cases. This new approach surely excludes many sources of error, but it hampers comparisons between states and over time.
The CDC discontinued reporting of individual confirmed and probable cases of novel H1N1 infection on July 24, 2009. The CDC will report the total number of hospitalizations and deaths weekly, and continue to use its traditional surveillance systems to track the progress of the novel H1N1 flu outbreak. [119]
References
- ^ a b c "Interim Guidance on Case Definitions to be Used For Investigations of Swine-Origin Influenza A (H1N1) Cases*". Centers for Disease Control and Prevention. 2009-04-30. Retrieved 2009-05-01.
- ^ "Swine Influenza Updates". Alabama - Department of Public Health. 2009-07-30.
- ^ http://www.waff.com/Global/story.asp?S=11306461
- ^ a b "Swine Flu Information". Alaska - Department of Health and Social Services. 2009-08-05.
- ^ http://www.adn.com/swineflu/story/954541.html
- ^ a b Update each Wednesday "New 2009 Influenza A H1N1 Strain in the US". Arizona - Department of Health Services. 2009-07-29.
- ^ http://www.kswt.com/Global/story.asp?S=11290638
- ^ "H1N1 Flu (Swine Flu) Resources". Arkansas - Department of Health. 2009-07-29.
- ^ http://arkansasnews.com/2009/10/13/swine-flu-death-toll-at-9-as-injectable-vaccine-arrives-in-state/
- ^ a b "Novel Influenza A (H1N1) Virus (Swine Flu) - Latest News". California - Department of Public Health. 2007-08-25. Retrieved 2009-08-27.
- ^ 2009 flu pandemic in the United States by state
- ^ "Reported Novel Influenza A (H1N1) by Week of Diagnosis, Colorado, 2009" (PDF). Colorado - Department of Public Health and Environment. June 2009. Retrieved 2009-06-18.
- ^ http://www.cdphe.state.co.us/dc/Influenza/09_10%20Hospitalizations%20by%20County.pdf
- ^ http://www.denverpost.com/breakingnews/ci_13559199
- ^ a b c "CTFLUWATCH". Connecticut Department of Public Health. 2009-07-29. Retrieved 2009-07-30.
- ^ a b c d e f g "PAHO Influenza A(H1N1) Surveillance". PAHO. 2009-08-26. Retrieved 2009-08-26.
- ^ No longer updating "H1N1 UPDATE - JUNE 18". Delaware - Department of Health and Social Services. 2009-06-18. Retrieved 2009-06-19.
- ^ "Maine Native Dies Of Swine Flu". WLBZ2.com. 2009-07-01. Retrieved 2009-07-01.
- ^ a b Update each Wednesday "Swine Flu Information". Florida - Department of Health. 2009-07-21. Retrieved 2009-07-30.
- ^ 2009 flu pandemic in the United States by state
- ^ a b "H1N1". Georgia - Division of Public Health. 2009-09-24. Retrieved 2009-09-24.
- ^ http://www.ajc.com/health/more-details-emerge-about-157783.html
- ^ "Influenza Surveillance Report" (PDF). July 19–August 1, 2009. HAWAI‘I STATE DEPARTMENT OF HEALTH DISEASE OUTBREAK CONTROL DIVISION. 2009-08-06. Retrieved 2009-08-26.
- ^ http://www.starbulletin.com/news/breaking/63711172.html
- ^ "Idaho Case Counts". Idaho - Department of Health & Welfare. 2009-10-06.
- ^ http://www.argusobserver.com/articles/2009/10/09/news/doc4acf707bec010668171716.txt
- ^ a b Update each Friday "Illinois Department of Public Health Swine Flu Statistics". Illinois - Department of Public Health. 2009-07-24. Retrieved 2009-07-30.
- ^ http://www.bnd.com/326/story/960230.html
- ^ "ISDH Press releases". Indiana - State Department of Health. 2009-08-20. Retrieved 2009-08-27.
- ^ http://www.wthitv.com/dpp/news/indiana/5th_H1N1_death_confirmed_in_Indiana2_20091008_2940793
- ^ "Influenza and Other Respiratory Virus Weekly Activity Report" (PDF). Iowa - Department of Public Health. 2009-08-01. Retrieved 2009-08-26.
- ^ http://www.wowt.com/home/headlines/63698767.html
- ^ update at Monday"Kansas H1N1 Flu Virus Information". Kansas - Department of Health and Environment. 2009-08-24.
- ^ http://www.kansascity.com/115/story/1494365.html
- ^ "Kentucky Health Alerts". Commonwealth of Kentucky. 2009-07-29.
- ^ http://www.kentucky.com/flu/story/975667.html
- ^ "H1N1 Flu (Swine Flu)". Louisiana - Department of Health & Hospitals. 2009-08-24. Retrieved 2009-08-27.
- ^ http://www.dailycomet.com/article/20091009/APN/910091673
- ^ a b c update weekly "Maine - H1N1 Influenza ("Swine Flu") Update". Maine - Center for Disease Control and Prevention. 2009-08-26. Retrieved 2009-08-27.
- ^ "Maryland weekly flu report". The Baltimore Sun. 2009-07-02. Retrieved 2009-07-02.
- ^ "Maryland Influenza Surveillance Report" (PDF). Maryland Department of Health and Mental Hygiene. 2009-10-03. Retrieved 2009-10-12.
- ^ http://www.marylandfluwatch.org/
- ^ http://wjz.com/local/vaccine.h1n1.maryland.2.1245274.html
- ^ a b "Confirmed H1N1 Influenza (swine flu)". Massachusetts - Department of Public Health. 2009-08-27 ].
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(help) - ^ http://www.boston.com/news/health/blog/2009/10/middlesex_woman.html
- ^ Daily Update of fatalities "MDCH-Influenza A (H1N1)". Michigan - Department of Community Health. 2009-06-13. Retrieved 2009-07-30.
- ^ http://www.detnews.com/article/20090827/LIFESTYLE03/908270431/Schools-have-battle-plan-for-H1N1-flu#
- ^ http://www.cdphe.state.co.us/dc/Influenza/09-10_Deaths_Linelist.pdf
- ^ "H1N1 Novel Influenza". Minnesota - Department of Health. 2009-08-17.
- ^ http://www.northlandsnewscenter.com/news/local/63530562.html
- ^ a b "Mississippi H1N1 Swine Flu Cases by County, 2009". Mississippi - State Department of Health. 2009-09-23.
- ^ "Special Weekly Influenza Surveillance 2009-2010 Pre-Season Report, Missouri" (PDF). Missouri - Department of Health and Senior Services. 2009-08-22. Retrieved 2009-08-27.
- ^ http://www.kctv5.com/news/20974025/detail.html
- ^ http://www.kfvs12.com/Global/story.asp?s=11212935&clienttype=printable
- ^ a b "Confirmed Novel Influenza A/H1N1 (Swine Flu)" (PDF). Billings Gazette. 2009-08-06. Retrieved 2009-08-06.
- ^ http://www.missoulian.com/news/local/article_347c0f7e-b5a9-11de-bc88-001cc4c002e0.html
- ^ a b "Influenza Report" (PDF). Week 34 (August, 29). Nebraska - Department of Health & Human Services. 2009-08-21. Retrieved 2009-08-27.
- ^ "3rd Nebraska swine flu death reported". Syracuse.com. 2009-08-27. Retrieved 2009-08-27.
- ^ "Nevada State Health Division Weekly Influenza Report". Nevada - State Health Division. 2009-08-21.
- ^ http://www.lvrj.com/news/59443282.html
- ^ http://www.kolotv.com/home/headlines/63778897.html
- ^ http://www.nevadaappeal.com/article/20090808/NEWS/908089990/1030/NONE&parentprofile=1062
- ^ "WEEKLY INFLUENZA SURVEILLANCE REPORT" (PDF). New Hampshire - Department of Health & Human Services. 2009-08-29. Retrieved 2009-09-16.
- ^ http://www.wmur.com/health/20436021/detail.html
- ^ "New Jersey Department of Health and Senior Services UCommunicable Disease Service Influenza Brief" (PDF). Week Ending August 29, 2009 (MMWR Week 34). Retrieved 2009-09-23.
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at position 52 (help) - ^ a b "H1N1 Flu Hospitalizations and Deaths in NJ". New Jersey DHSS. 2009-08-26. Retrieved 2009-08-27.
- ^ http://nmhealth.org/flu/report_archives.shtml#0910flu
- ^ http://www.newswest9.com/Global/story.asp?S=11276949
- ^ "H1N1 Flu (Swine Flu)". New York State - Department of Health. 2009-06-19. Retrieved 2009-06-19.
- ^ "Health Alert #27" (PDF). New York City DHMH. 2009-07-08. Retrieved 2009-09-02.
- ^ 54 NYC + 2 Syracuse/Onondaga + 2 Westchester + 8 Long Island/Suffolk + 4 Nassau + 2 Erie + 2 Orange + 1 'Nevada + 1 Clintoncase'
- ^ Summary of 9 references:
NYS: 'Nevada case' "Public Health Update - H1N1 Influenza June 16, 2009". Southern Nevada Health District. 2009-06-16. Retrieved 2009-07-02.
NYS: New York City "H1N1 (Swine Flu) Information". NYC DOHMH. 2009-08-31. Retrieved 2009-08-31.
NYS: Erie County "Second Buffalo student dies of swine flu". The Buffalo News. 2009-06-28. Retrieved 2009-06-28.
NYS: Westchester County "ME: Second person dies of swine flu". LoHoud.com. 2009-06-24. Retrieved 2009-06-25.
NYS: Long Island/Suffolk "SSuffolk County Reports 8th Swine Flu Death". WCBSTV.com. 2009-08-06. Retrieved 2009-08-27.
NYS: Orange County "Two Orange County women die of swine flu". Mid-Hudson News Network. 2009-07-01. Retrieved 2009-07-01.
NYS: Nassau . Long Island Press. 2009-07-07 http://www.newsday.com/long-island/nassau/nassau-reports-fourth-swine-flu-related-death-1.1520398. Retrieved 2009-10-02.{{cite news}}
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NYS: Clinton County . Long Island Press. 2009-07-07 http://www.wptz.com/health/21295091/detail.html. Retrieved 2009-10-02.{{cite news}}
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(help) - ^ a b Update each Wednesday "NCPH: Influenza in N.C." North Carolina - Public Health. 2009-07-29. Retrieved 2009-07-30.
- ^ http://www.epi.state.nc.us/epi/gcdc/flu2009.html
- ^ a b http://www.ndflu.com/
- ^ "Swine flu" (PDF). Ohio - Department of Health. 2009-07-30. Retrieved 2009-07-30.
- ^ http://www.columbusdispatch.com/live/content/local_news/stories/2009/10/14/h1n1.ART_ART_10-14-09_A1_HGFC8H4.html?sid=101
- ^ a b updated on Mondays and Thursdays "Novel Influenza A H1N1 (Swine Flu) Daily Updates & Alerts". Oklahoma - State Department of Health. 2009-07-29.
- ^ http://www.tulsaworld.com/news/article.aspx?subjectid=17&articleid=20091008_17_0_hrimgs907844
- ^ a b Update each Friday "H1N1 Influenza Update". Oregon - Department of Human Services. 2009-07-24. Retrieved 2009-07-30.
- ^ http://www.flu.oregon.gov/DHS/ph/acd/swineflu_investigation.shtml
- ^ http://www.flu.oregon.gov/DHS/ph/acd/swineflu_investigation.shtml
- ^ a b http://www.health.state.pa.us/H1N1Map/
- ^ "Rhode Island Department of Health Swine Flu". Rhode Island - Department of Health. 2009-07-30. Retrieved 2009-06-17.
- ^ a b http://www.health.ri.gov/pandemicflu/swineflu/dailybriefing.php
- ^ "South Carolina Influenza Activity and Surveillance: 2008-2009 Season" (PDF). South Carolina - Department of Health and Environmental Control. 2009-06-13. Retrieved 2009-06-19.
- ^ http://www.scdhec.gov/administration/news/2009/nr20090831-01.htm
- ^ http://www.scdhec.gov/health/disease/acute/docs/200938SCFluWatch.pdf
- ^ a b "South Dakota (A)H1N1 Surveillance". South Dakota - Department of Health. 2009-05-28. Retrieved 2009-06-05.
- ^ http://www.keloland.com/News/NewsDetail6371.cfm?Id=91095
- ^ "H1N1/Swine Flu Information for Tennessee Residents". Tennessee - Department of Health. 2009-06-18. Retrieved 2009-06-20.
- ^ http://www.wbir.com/news/national/story.aspx?storyid=101299&catid=3
- ^ Update each Wednesday "Texas Department of State Health Services, News Updates". Texas - Department of State Health Services. 2009-07-29. Retrieved 2009-07-29.
- ^ 2009 flu pandemic in the United States by state
- ^ "Utah Pandemic A (H1N1) 2009 Hospitalized Case Surveillance". Utah - Department of Health. 2009-07-29. Retrieved 2009-07-31.
- ^ Update each Wednesday "Utah - Office Of Epidemiology". Utah Department of Health. 2009-07-22. Retrieved 2009-07-23.
- ^ a b "Novel H1N1 Flu (Swine Flu): Status Update". Vermont - Department of Health. 2009-06-24. Retrieved 2009-06-26.
- ^ "Confirmed Influenza A (H1N1) Case Counts". Virginia - Department of Health. 2009-07-10. Retrieved 2009-07-11.
- ^ http://www.roanoke.com/news/roanoke/wb/221905
- ^ "Swine flu (H1N1) monitoring changes in Washington". WSDOH. 2009-05-26. Retrieved 2009-06-25.
- ^ a b "Swine Flu Information". Washington - Department of Health and Human Resources. 2009-07-14. Retrieved 2009-07-31.
- ^ a b Updated each Wednesday "Influenza Surveillance Data 2008-2009". West Virginia - Department of Health and Human Resources. 6/18/2009 12:45 PM ET. Retrieved 2009-06-18.
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(help) - ^ http://www.wvmetronews.com/index.cfm?func=displayfullstory&storyid=32881
- ^ a b c "Current H1N1 Situation in Wisconsin". Wisconsin - Department of Health Services. 2009-07-29. Retrieved 2009-07-29.
- ^ http://gazettextra.com/weblogs/latest-news/2009/oct/05/rock-county-swine-flu-death-reported/
- ^ "Swine Influenza (Swine Flu)". Wyoming - Department of Health. 2009-08-05.
- ^ http://cbs4denver.com/wireapnewswy/Laramie.County.woman.2.1236899.html
- ^ http://www.spc.int/phs/PPHSN/Surveillance/Pandemic_influenza_A_H1N1.htm
- ^ http://www.spc.int/phs/PPHSN/Surveillance/Pandemic_Influenza_A_H1N1/Report_as_of_13October2009.htm
- ^ http://www.saipantribune.com/newsstory.aspx?newsID=93432&cat=1
- ^ "NMI swine flu cases now at 6". Saipan Tribune. 2009-08-04. Retrieved 2009-08-04.
- ^ http://www.google.com/hostednews/epa/article/ALeqM5gFCXJkhHTwY0v-MCLFzne22J_N5A
- ^ http://www.primerahora.com/diario/noticia/gripeporcina/noticias/se_registra_otra_muerte_por_gripe_porcina/336772
- ^ a b http://www.oregonlive.com/newsflash/index.ssf?/base/international-12/1251847079215450.xml&storylist=international
- ^ "Illinois Department of Public Health Swine Flu Statistics". Illinois Department of Public Health. 2009-05-06 (10:00 CT). Retrieved 2009-05-06.
{{cite web}}
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(help) - ^ "H1N1 Flu (Swine Flu)". H1N1 Flu. Centers for Disease Control and Prevention. 2009-05-06 (11:00 EDT). Retrieved 2009-05-06.
{{cite web}}
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(help) - ^ "Latest number of confirmed and probable ILI cases" (PDF). MCDH. 2009-06-23. Retrieved 2009-06-25.
- ^ "FluView Influenza Season Week 23 ending June 13, 2009". Retrieved 2009-06-25.
- ^ http://www.cdc.gov/h1n1flu/update.htm