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ACHA Pandemic Influenza Surveillance Influenza Like Illness (ILI) in Colleges and Universities

Commonground

Commonground

Senior Moderator
Weekly College Case Data
(Week Ending September 11, 2009)

The following depicts weekly ILI case data (CDC ILI case definition) [ICD-CM Diagnosis 487.1] reported to ACHA by institutions of higher education participating in this ACHA ILI surveillance network. Data reported are for the weekly period (Saturday through Friday), reported to ACHA as of the following Monday.

ACHA thanks all participating institutions involved in this surveillance effort. Together, our efforts should provide college health professionals and public health officials with a greater understanding of the pace and geography of newly emerging cases and better understand and manage response to the novel H1N1 flu pandemic.

Picture 1.webp


http://www.acha.org/ILI_LatestWeek.cfm
 
Re: ACHA Pandemic Influenza Surveillance Influenza Like Illness (ILI) in Colleges and Universities

Health Care Reform 2009
ACHA Pandemic Influenza Surveillance
Influenza Like Illness (ILI) in Colleges and Universities

Weekly College Case Data
(Week Ending September 11, 2009)

http://www.acha.org/ILI_LatestWeek.cfm
 
Re: ACHA Pandemic Influenza Surveillance Influenza Like Illness (ILI) in Colleges and Universities

weekly changes of the attack-rate
(students per 10000) :

08.7
17.8
21.5
24.7
20.1
18.9
20.9
 
Re: ACHA Pandemic Influenza Surveillance Influenza Like Illness (ILI) in Colleges and Universities

First deaths reported in national survey of H1N1 on college campuses
November 18th, 2009, Author: Rachel Kipp, Categories: Delaware State University, Delaware Technical & Community College, Higher Ed, University of Delaware, swine flu



An example of the H1N1 awareness posters being displayed on the UD campus. Photo courtesy of UD.
College health officials this week reported the first student deaths recorded in a national survey of the spread of influenza-like illness on U.S. campuses.

Two deaths were reported in the American College Health Association survey, which has charted more than 80,000 cases of flu-like illness since August among nearly 3 million students on 263 college campuses.

Although this was the first time the health association received reports of deaths, the nationwide attack rate during the week of Nov. 8-13 fell 27 percent, to 21.3 cases per 10,000 students, from the previous week. In Delaware, 67 new cases of influenza-like illness on campus were reported, a 32 percent drop from the number of new cases presented during the previous week. The University of Delaware is among the colleges participating in the survey.

The health association is also tracking the availability of the vaccine for the H1N1 virus, otherwise known as the swine flu. They reported that, although more schools are gaining access to the vaccine, immunizations nationally are only 3 percent.

UD officials said earlier this week that the school hasn?t received enough vaccine to cover all priority groups, which include pregnant women, caregivers for children younger than 6 and health care and emergency workers. But staff at Student Health Services are contacting and immunizing students with chronic medical conditions such as transplant patients or lung or heart disease. After all priority groups get the chance to receive the vaccine, it will be offered to the rest of the student population.

To see all of the data from the national survey visit the American College Health Association?s Web site.
http://blogs.delawareonline.com/del...-national-survey-of-h1n1-on-college-campuses/
 
Re: ACHA Pandemic Influenza Surveillance Influenza Like Illness (ILI) in Colleges and Universities

For week ending Dec. 11, 2009:

35% DECREASE from previous week, although attack rate was highest for DC, IN and RI. There have been a total of 815 new cases this week.

To date, Regions 3 & 4 have had the most cases.
http://www.acha.org/ILI_LatestWeek.cfm
 
Re: ACHA Pandemic Influenza Surveillance Influenza Like Illness (ILI) in Colleges and Universities

This new report is cumulative data from Dec19 - Jan15:

Region 4 seems to be on the rise, especially for FL, KY, NC, SC, MS & TN (while GA is reporting no change from the previous report, the attack rate is still high)

Individual states reporting a jump in cases are: MI, CO & CA.

Region 6 should be watched as it appears to be on the rise.

Regions 1, 2 & 3 appear to be waning.

No new deaths have been reported (total 4)
http://www.acha.org/ILI_Project/ILI_LatestWeek.cfm#chart_state
 
Re: ACHA Pandemic Influenza Surveillance Influenza Like Illness (ILI) in Colleges and Universities

Week ending Feb5:

12% overall increase in cases

For the most part, the majority of schools are showing a rise in cases. These states' schools, especially, have increased percentages from the previous report: CT, RI, KY, OK,MS, UT, & WY. Highest attack rates: GA, MS, OK, & WV
http://www.acha.org/ILI_Project/ILI_LatestWeek.cfm#chart_state

Based on cumulative epicurve data, ILI has been increasing since Jan22.
http://www.acha.org/ILI_Project/ILI_Epicurve.cfm
 
Re: ACHA Pandemic Influenza Surveillance Influenza Like Illness (ILI) in Colleges and Universities

Week ending Feb 12:
Overall there was a -7% (decrease) in ILI from last week.

These Regions' schools showing a decline:
Region 1 (except MA)
Region 2 (except NY)
Region 3 (except WV)

Region 4 is mixed with increases from NC, SC & TN
Region 5 is mixed with increases from IN, MN & WI

Other states showing increases: AR, OK, NE, CO, NV & OR
http://www.acha.org/ILI_Project/ILI_LatestWeek.cfm#chart_state
 
Re: ACHA Pandemic Influenza Surveillance Influenza Like Illness (ILI) in Colleges and Universities

Week ending Feb19:

52% increase in number of ILI from previous week
Attack rate 4.1 per 10,000 (increasing) OK has highest attack rate at 45.9 and MO at 32.4
59% of the institutions were reporting new cases of ILI

Region 3 (except WV) and Region 4 (except TN) were up as a whole, while
these individual states showed exceptional increases: MO, IN, MD, OK & CT

http://www.acha.org/ILI_Project/ILI_LatestWeek.cfm#chart_state
http://www.acha.org/ILI_Project/ILI_Epicurve.cfm
 
Re: ACHA Pandemic Influenza Surveillance Influenza Like Illness (ILI) in Colleges and Universities

Source: http://www.webmd.com/cold-and-flu/news/20100224/colleges_see_rise-in_h1n1-swine-flu

Colleges See Rise in H1N1 Swine Flu
Campuses Are Experiencing First Increase in Cases Since Last Fall
By Daniel J. DeNoon
WebMD Health News
Reviewed by Louise Chang, MD

Feb. 24, 2010 -- College campuses are seeing the first uptick in new H1N1 swine flu cases since November.

New H1N1 swine flu cases are up 52% since last week -- to 4.1 cases per 10,000 students from 2.7 per 10,000 last week, the American College Health Association (ACHA) reports. Of the AHCA's 178 members, 59% report new cases of swine flu.

"We may be seeing a bit of an uptick," AHCA Executive Director James C. Turner, MD, said at today's meeting of the CDC's Advisory Committee on Immunization Practices (ACIP).

Rates of new infections were highest on campuses in Oklahoma, Missouri, Indiana, North Carolina, and Mississippi. In Missouri, the swine flu attack rate was up 17-fold over the previous week.

Even so, CDC flu expert Anthony Fiore, MD, says there's no overall indication that a new wave of H1N1 swine flu is under way. National surveillance still shows the flu pandemic continuing to decline, although there's a small uptick in some Southwestern states.

One reason for the decline is that about 30% of Americans have been vaccinated against H1N1 swine flu. About 86 million Americans received some 97 million doses of H1N1 swine flu vaccine since vaccinations began in late October 2009.

That's a lot of vaccinations, but there could have been more. The CDC's James Singleton says that enough vaccine has been delivered to vaccinate 42% of U.S. residents.

As many as 60% of children under age 9 got both of the recommended vaccine doses. That's fortunate, because kids under age 4 had a very high rate of severe disease. And for kids ages 5 to 17, the 2009-2010 H1N1 swine flu has been the worst flu season since CDC surveillance began, according to data presented by the CDC's Lyn Finelli, DrPH.

While the vaccine was created, produced, and delivered at record speed, it did not arrive before new H1N1 swine flu infections peaked around Oct. 24, 2009. At that time, more people saw a doctor for flu symptoms than at any time since seasonal flu record keeping began.

H1N1 swine flu hospitalizations and deaths peaked a few weeks later. But the death rate was not exceptionally high as flu seasons go. That's because this flu pandemic largely spared the elderly, among whom most flu deaths usually occur.
 
ACHA Reports ILI Cases Up in Emergency Departments

ACHA Reports ILI Cases Up in Emergency Departments

Emergency departments see rise in flu-like illness

Lisa Schnirring
purple-speck.gif
Staff Writer

Feb 24, 2010 (CIDRAP News) – Some of the nation's emergency departments are noting increases in flu-like illness cases that appear to be pandemic H1N1, and colleges are reporting the first increase in flu-like illness since the end of November, but it's not clear if these are early signs of a third pandemic flu wave.
The American College of Emergency Physicians (ACEP) said today in a Twitter post that some of its members were anecdotally reporting a new wave of pandemic H1N1 patients coming to emergency departments and asked if other physicians were seeing similar patterns.

Carl Schultz, MD, professor of emergency medicine at the University of California at Irvine, told CIDRAP News that the increase in the number of influenza-like illnesses appears to be real, but he cautioned that many of the cases have not been confirmed as the pandemic H1N1 strain, because many departments stopped specifically testing for it because of low flu activity. Schultz chairs ACEP's disaster preparedness and response committee.

Schultz cautioned that the apparent increase in flu activity could be an aberration, and he added that there have been no official reports of increases in hospitalizations and deaths from flu-like illnesses. Though he said the uptick in flu-like illnesses could be from seasonal flu, the likelihood may be less, because seasonal flu usually starts in November and peaks in January and February.

"To see something rising this late would be unusual," Schultz said, adding that the pandemic H1N1 virus has not observed typical flu season patterns. He said physicians are waiting to see if the pattern they're seeing is just a blip or if it turns out to be a real spike in pandemic H1N1 activity.

Tom Skinner, a spokesman for the US Centers for Disease Control and Prevention (CDC) said today that the CDC has nothing to report on any increase in flu activity, but he said it is keeping watch of flu-like illness trends across the nation.

Meanwhile, the American College Health Association (ACHA) today reported in its latest surveillance summary of influenza-like illnesses a 52% rise in cases, reflecting the first increase since the end of November. For the week ending Feb 19, the attack rate at schools was 4.1 cases per 10,000 students. The ACHA said some colleges in the southeast and Midwest have reported slight increases in disease activity.

Schultz said that the rise in college flu-like illnesses isn't particularly alarming, because activity had dropped to such a low level that a 52% increase is not sizeable.

So far this week no states have reported an increase in flu activity. A spokesman for the Washington State Department of Health said today that pandemic H1N1 cases have slowed but not disappeared, the Associated Press (AP) reported today. Five more people were hospitalized for H1N1 infections over the past week, but no new deaths have been reported.

Minnesota health officials today reported that flu activity remained low, with one school reporting an influenza-like illness outbreak, no new deaths, and no outbreaks at long-term care facilities.

The CDC is still urging all groups, especially those at high risk for complications such as pregnant women and those with underlying health conditions, to get vaccinated against pandemic H1N1 flu, especially now that vaccine supplies are plentiful. The CDC is also reminding parents of children younger than 10 who have already received one dose of the vaccine that the youngsters need a second dose for optimal protection.

See also:
Feb 24 ACHA influenza-like illness surveillance report
ACEP Twitter feed
Feb 24 AP story
Feb 24 Minnesota Department of Health flu activity update
 
Re: ACHA Pandemic Influenza Surveillance Influenza Like Illness (ILI) in Colleges and Universities

Week 8:

A decrease of 20% from last week, although 58% of reporting schools had new ILI cases. (Note: Even though there was a decline from last week's increase of 52%, that leaves a positive 32% from two weeks ago)

Decrease in these regions (with exceptions):
Region 2, 3 (except DE), 7, 8 (except UT), 9 (except CA) & 10

Increase in these regions (with exceptions):
Region 1, 4 (except KY & NC), 5 (except IN) & 6 (except OK)

High attack rates for GA, MS & OK
http://www.acha.org/ILI_Project/ILI_LatestWeek.cfm#chart_state
 
Re: ACHA Pandemic Influenza Surveillance Influenza Like Illness (ILI) in Colleges and Universities

Week 9:

There was an overall decrease of 9% in new cases compared with last week, although there was reported 58% of schools reporting new cases. Regions were very mixed with up and down % in new cases. This % is the same as last week, yet not as many schools reported in (possibly spring break?)
Attack rate per 10,000 was 3. Schools showing over this rate of attack: AR, GA, IL, IN, KY, MN, MO, MS, NC, PA, RI, SC, TN, TX & VA.

http://www.acha.org/ILI_Project/ILI_LatestWeek.cfm#chart_state
http://www.acha.org/ILI_Project/ILI_Epicurve.cfm
 
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