Swine flu update

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Guidance for Clinicians on the Prevention and Treatment of Swine-Origin Influenza Virus Infection in Young Children (April 29, 2009) PDF icon

Interim Guidance for Cleaning Emergency Medical Service (EMS) Transport Vehicles during an Influenza Pandemic from CDC
(Septemberl 3, 2009)


Personal protective guidelines for first responders
(April 26, 2009)

More swine flu information from DSHS (September 3, 2009)
(Links for health care professionals at bottom of the page.)


The U.S. Centers for Disease Control and Prevention (CDC) and state and local public health officials are investigating swine influenza cases in people in several U.S. states, including Texas. Investigations are ongoing to determine the source of the infection and whether additional people have been infected with swine influenza viruses.

The information below includes the interim guidance provided by the Centers for Disease Control and Prevention (CDC) on infection control, antiviral treatment and chemoprophylaxis, and monitoring of close contacts of cases of swine influenza virus infection. The guidance will be updated as needed.

Infection Control

Recommended Infection Control for a non-hospitalized patient (ER, clinic or home):

Separation from others in single room if available until asymptomatic. If the ill person needs to move to another part of the house, they should wear a mask. The ill person should wash hands frequently and follow respiratory hygiene practices. Also encourage ill person and family members to use alcohol hand sanitizer frequently when appropriate Cups and other utensils used by the ill person should be thoroughly washed with soap and water or by a dishwasher before use by other persons.

Recommended Infection Control for a hospitalized patient:

Standard, Droplet and Contact precautions for 7 days after illness onset or until symptoms have resolved.

In addition, personnel should wear N95 respirators when entering the patient room.

Use an airborne infection isolation room (AIIR) with negative pressure air handling, if available; otherwise use a single patient room with the door kept closed.

For suctioning, bronchoscopy, or intubation, use a procedure room with negative pressure air handling.

Recommended PPE for personnel providing care to ill individuals in a clinic or non-hospital setting:

Use surgical mask (N95 respirator preferred). Depending on symptoms and nature of procedures consider using disposable gowns, gloves and goggles.

Antivirals

A t this time, RT-PCR testing indicates swine H1N1 influenza appears to be sensitive to Neuraminidase Inhibitors (oseltamivir [ PO] or zanamivir [Inhaled]).

Treatment

Antiviral treatment for confirmed or suspected ill case of swine influenza virus infection may include either oseltamivir or zanamavir, with no preference given at this time.

Initiate treatment as soon as possible after the onset of symptoms.

Recommendations for use of antivirals may change as data on antiviral susceptibilities become available.

Refer to CDC recommendations for dosing requirements at:

Chemoprophylaxis

Antiviral chemoprophylaxis (pre-exposure or post-exposure) can be considered for close contacts 4. of a confirmed or highly suspected case of swine influenza virus infection.

Follow-up Monitoring of Exposed Close Contacts

Close contacts should be monitored daily for fever (temp ≥38.0 ºC) and/or any respiratory symptoms up to 7 days following the last known exposure to an ill person who is a confirmed case of swine influenza virus infection.

Close contacts of an ill person who is a confirmed case of swine influenza virus infection should be educated about the signs and symptoms of swine influenza virus infection

Close contacts should be advised to contact public health staff if fever or feverishness or any respiratory tract symptoms occur up to 7 days following the last known exposure to the ill case.

Further information on infection control and antiviral medications may be obtained from the document: Interim Guidance on Infection Control and Antiviral Recommendations for Patients with Confirmed or Suspected Swine Influenza A Virus Infection at: http://www.cdc.gov/flu/swine/recommendations.htm

Definitions:

1. Influenza-like illness : Influenza-like illness, or ILI, is defined as fever >100°F AND cough and/or sore throat (in the absence of a known cause other than influenza).

2. Acute respiratory illness is defined as recent onset of at least two of the following: rhinorrhea or nasal congestion, sore throat, cough (with or without fever or chills)

3. A suspected case of SIV is defined as a person with an acute respiratory illness who was a close contact to a confirmed case of SIV infection while the case was ill, or is an acutely ill person (acute respiratory illness) with a recent history of contact with an animal with confirmed or suspected SIV infection.

4. Close contact is defined as: within about 6 feet of an ill person who is a confirmed case of swine influenza A virus infection

 

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Last updated January 06, 2014