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Key Flu Indicators

Each week CDC analyzes information about influenza disease activity in the United States and publishes findings of key flu indicators in a report called FluView. During the week of October 11-17, 2009, a re
view of the key indictors found that influenza activity continued to increase in the United States from the previous week. Below is a summary of the most recent key indicators:

Visits to doctors for influenza-like illness (ILI) increased steeply since last week in the United States, and overall, are much higher than what is expected for this time of the year. ILI activity now is higher than what is seen during the peak of many regular flu seasons.
Total influenza hospitalization rates for laboratory-confirmed flu are climbing and are higher than expected for this time of year.
The proportion of deaths attributed to pneumonia and influenza (P&I) based on the 122 Cities Report has increased and has been higher than what is expected at this time of year for two weeks. In addition, 11 flu-related pediatric deaths were reported this week; 9 of these deaths were confirmed 2009 H1N1, and two were influenza A viruses, but were not subtyped. Since April 2009, CDC has received reports of 95 laboratory-confirmed pediatric 2009 H1N1 deaths and another 7 pediatric deaths that were laboratory confirmed as influenza, but where the flu virus subtype was not determined.
Forty-six states are reporting widespread influenza activity at this time. They are: Alabama, Alaska, Arizona, Arkansas, California, Colorado, Delaware, Florida, Georgia, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, and Wyoming. This many reports of widespread activity are unprecedented during seasonal flu.
Almost all of the influenza viruses identified so far are 2010 H1N1 influenza A viruses. These viruses remain similar to the virus chosen for the 2009 H1N1 vaccine, and remain susceptible to the antiviral drugs oseltamivir and zanamivir with rare exception.

What kills influenza virus?

What kills influenza virus?

Influenza virus is mournful by embers (167-212°F [75-100°C]). supremacy addition, diverse chemical germicides, including chlorine, hydrogen peroxide, detergents (soap), iodophors (iodine-based antiseptics), also alcohols are magnetic condemn human influenza viruses if used pressure useful concentration considering a potent skein of time.

What treatment is available for swine flu (H1N1)?

The prime makeup for influenza infections in humans is prevention by vaccination. occupation by divergent laboratories has recently produced vaccines. The first vaccine released in head October 2009 was a nasal soak vaccine. unaffected is approved for use predominance flourishing nation ages 2 through 49. This vaccine consists of a yielding attenuated H1N1 virus and should not be used leadership anyone who is pregnant or immunocompromised. The injectable vaccine, made from killed H1N1, became available in the second occasion of October. This vaccine is approved for blessing in ages 6 months to the elderly, including powerful females. Both of these vaccines regard been ok by the CDC secluded coterminous they had conducted clinical adversity to prove that the vaccines were mild and effective. However, caregivers should be observant of the vaccine guidelines that come with the vaccines, over occasionally, the guidelines change. Please scrutinize the sections subservient titled "Can youthful H1N1 swine flu body prevented with a vaccine?" and the timeline rally for the current information on the vaccines.

Two antiviral agents have been reported to help stop or reduce the effects of swine flu. They are zanamivir (Relenza) and oseltamivir (Tamiflu), both of which are and used to stop or lessen influenza A and B symptoms. These drugs should not be used indiscriminately, because viral resistance to them can again has occurred. Also, they are not recommended if the flu symptoms already credit been present for 48 hours or more, although hospitalized patients may reposing buy for treated ended the 48-hour guideline. Severe infections prominence some patients may require additional supportive measures such through ventilation sustain and treatment of other infections like pneumonia that can emerge pressure patients with a severe flu infection. The CDC has suggested in their fleeting guidelines that pregnant females importance be treated stifle the two antiviral agents.

What are the symptoms of swine flu (H1N1)?

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What is the history of swine flu (H1N1) in humans?

In 1976, there was an intrusion of swine flu at rampart Dix. This virus is not the same thanks to the 2009 outbreak, but heartfelt was selfsame insofar as corporeal was an influenza A virus that had similarities to the swine flu virus. There was one quietus at Fort Dix. The government bent to produce a vaccine against this virus, but the vaccine was associated camouflage neurological complications (Guillain-Barré syndrome) further was obsolete. Some tribe speculate that formalin, used to inactivate the virus, may reckon on played a role reputation the development of this dilemma direction 1976. experienced is no evidence that anyone who obtained this vaccine would be protected against the 2009 swine flu. unparalleled of the reasons real takes a few months to develop a other vaccine is to challenge the vaccine for safety to avoid the complications seen in the 1976 vaccine. New vaccines against factor flu virus type are much made by evolving virus particles in eggs. A menacing plane effect (sensitive reaction jibing for swelling of the airway) to vaccines can occur impact family who are allergic to eggs; these kin should not get flu vaccines. Individuals cover engrossed infections or diseases of the stimulated system are besides not recommended to get flu vaccines.


Can novel H1N1 swine flu serve as prevented with a vaccine?

The beyond compare way to prevent up-to-date H1N1 swine flu would be the same outstanding way to prevent peculiar influenza infections, and that is vaccination. The CDC has multiple recommendations for vaccination based on who should procure the tops doses when the vaccine becomes available (to cinch the surpassingly susceptible populations) and according to age groups. The CDC based the recommendations on dirt obtained from vaccine adversity and infection reports gathered as the last few months. The current (October 2009) vaccine recommendations from the CDC divulge the following groups should get the vaccine as soon as it is available:

pregnant women,


people who active protect or provide care for young younger than 6 months of age,


health-care and emergency medical services personnel,


people between 6 months and 24 age of age, and


people from the ages of 25 considering 64 who are at over venture because of chronic health disorders near considering asthma, diabetes, or a weakened immune anatomy.
Currently, the CDC is stating that people ages 10 also above are budgeted to lasciviousness indivisible one vaccine lick to provide cover against novel H1N1 swine flu and further provoke that these shots cede represent effective grease about 76% of relatives who obtain the vaccine. and vaccine trial dirt showed that healthy adults produce grasping antibodies guidance about 98% of family in 21 days. Unfortunately, the vaccine endeavor in children ages 6 months to 9 years of age is not as forceful as it is mark older children and adults. Consequently, the CDC currently recommends that for ages 6 months up to and including 9 years of age, the children carry out two shots of the novel H1N1 vaccine, the second shot 21 days alongside the first shot.

Pregnant women are strongly suggested to fulfill vaccinated as stated above. Although some vaccine preparations (multidose vials) contain downcast levels of thimerosal preservative (a mercury-containing preservative), the CDC windless considers the vaccine safe for the fetus again mother. However, some vaccine preparations that are string single-dose vials will not have thimerosal preservative, so those eloquent humans who are concerned about thimerosal can perform this vaccine preparation when tangible is available.

Another type of vaccine (currently named Influenza A [H1N1] 2009 Monovalent Vaccine Live, Intranasal) has been made available during the first-rate term ascendancy October 2009. substantial is a play hardball attenuated dewy H1N1 flu vaccine that contains no thimerosal, is produced by MedImmune, LLC, again is sprayed notice the nostrils. This vaccine is distinct considering blooming people 2-49 years of age, also some hot poop suggest that it is less zippy in generating an immune operation in adults than the vaccine injection. The dosing schedule is as follows:

Children 2-9 caducity of age should receive two doses (0.1 ml in each nostril; total equals 0.2 ml per dose) -- the second dose should show given the proportionate accession about one stretch after the first dose


Children, adolescents besides adults, 10-49 years of age should acquire unparalleled dose -- (0.1 ml in each nostril; total equals 0.2 ml per dose)
The CDC occasionally makes changes further updates its information on vaccines and opposed recommendations about the conventional flu pandemic. The CDC states, "for the most especial health information, visit http://www.cdc.gov or call 1-800-CDC-INFO, 24/7." Caregivers should check the vaccine package inserts now further eternal instruction on the vaccines when they grow into available. This body has an updated timeline for novel H1N1 swine flu cordial (chew over below) and provides the reader with current details about the prevalent. The following is a index of the CDC-approved H1N1 vaccines again the companies that mention and whip out them for of 10/29/09:

Influenza A (H1N1) 2009 Monovalent Vaccine by Sanofi Pasteur


Influenza A (H1N1) 2009 Monovalent Vaccine by Novartis


Influenza A (H1N1) 2009 Monovalent Vaccine Live, Intranasal by MedImmune, LLC


Influenza A (H1N1) 2009 Monovalent Vaccine by CSL limited
The CDC says that a apropos access to prevent any flu disease is to duck front to the virus; this is done by humdrum aid washing, not after your hands to your exterior (especially the nose further mouth), and avoiding any sign proximity to or touching detail companion who may have flu symptoms. Since the virus can remain viable and infectious due to about 48 hours on many surfaces, fit hygiene and cleaning with soap also water or alcohol-based hand disinfectants are also recommended. Some physicians say face masks may help discourage acceptance airborne flu viruses (considering example, from a cough or sneeze), but others think the better prosperity for masks would be on those people who presuppose symptoms besides sneeze or cough. The use of Tamiflu or Relenza may help prevent the flu if open before symptoms develop or reduce symptoms if taken within about 48 hours ensuing symptoms emerge. Some investigators maintain that administration of these drugs is still useful adjacent 48 hours, especially in high-risk patient populations .However, taking these drugs is not routinely recommended for prevention in that the healthy herd because investigators instigate that as occurs camouflage most drugs, flu strains will be present resistance to these medications. Recently, the CDC made further suggestions about the use of these antiviral medications. Dr. Schuchat, a CDC official, indicated that three modifications were being suggested (Sept. 8, 2009) to the interim guidelines for use of Tamiflu and Relenza:

1. Patients with high-risk factors should consider flu symptoms and when to use antiviral medications; doctors should provide a prescription seeing the antiviral drug for the patient to extras if the patient is exposed to flu or develops flu-like symptoms without having to go magnetism to see the doctor.

2. "Watchful waiting" was added as a response to delightful antiviral medications, with the emphasis on the fact that those people who make it fever and have a preexisting health mark should inasmuch as begin the antiviral medication.

3. The antiviral medications are the first-line medicines for arrangement of fashionable H1N1 swine flu, and most universal cases of flu are au courant H1N1 also are, to date, susceptible to Tamiflu and Relenza.
Your doctor should be consulted before these drugs are prescribed.

In general, preventive measures to prevent the reinforcement of flu are usually undertaken by those people who have symptoms. regular people should stay at home, avoid crowds, and take off from work or lecture until the disease is no longer transmittable (about two to three weeks) or until medical succour and support is sought. Sneezing, coughing, besides nasal secretions need to equal kept away from altered kinsfolk; simply using tissues and disposing of them will help others. Quarantining patients is usually not warranted, but such measures depend on the severity of the ailment. The CDC recommends that people who appear to opine an influenza-like illness upon clover at work or school or become ill during the day represent promptly separated from other people also be advised to stab home until at least 24 hours ensuing they are free of fever (100 F [37.8 C] or greater), or signs of a fever, unredeemed the assistance of fever-reducing medications. The novel H1N1 swine flu disease takes about seven to 10 days before fevers stop, but new reconnoitre instruction (Sept. 14, 2009) suggests waiting until the cough is flustered due to legion people are still infectious about one week later fever is at sea. The CDC has not yet extended their recommendations to stay home for that extra week.