Swine Flu (cont.)
In this Article
CDC - Interim Recommendations
For clinical care or collection of respiratory specimens from a symptomatic individual (acute respiratory symptoms with or without fever) who is a confirmed case, or a suspected case (ill close contact of a confirmed case) of swine influenza A (H1N1) virus infection:
Infectious Period
Persons with swine influenza A (H1N1) virus infection should be considered potentially contagious for up to 7 days following illness onset. Persons who continue to be ill longer than 7 days after illness onset should be considered potentially contagious until symptoms have resolved. Children, especially younger children, might potentially be contagious for longer periods. The duration of infectiousness might vary by swine influenza A (H1N1) virus strain.
Non-hospitalized ill persons who are a confirmed or suspected case of swine influenza A (H1N1) virus infection are recommended to stay at home (voluntary isolation) for at least the first 7 days after illness onset except to seek medical care.
Case definitions
A confirmed case of swine influenza A (H1N1) virus infection is defined as a person with an acute respiratory illness with laboratory confirmed swine influenza A (H1N1) virus infection at CDC by one or more of the following tests:
- real-time RT-PCR
- viral culture
- four-fold rise in swine influenza A (H1N1) virus-specific neutralizing antibodies
A suspected case of swine influenza A (H1N1) virus infection is defined as a person with acute febrile respiratory illness with onset within 7 days of close contact with a person who is a confirmed case of swine influenza A (H1N1) virus infection.
Close contact is defined as: within about 6 feet of an ill person who is a confirmed or suspected case of swine influenza A (H1N1) virus infection.
- Close contact is defined as: within about 6 feet of an ill person who is a
confirmed case of swine influenza A virus infection
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 feverishness)
Recommendations for public health personnel
For interviews of healthy individuals (i.e. without a current respiratory
illness), including close contacts of cases of confirmed swine influenza virus
infection, no personal protective equipment or antiviral chemoprophylaxis is
needed. See section on antiviral chemoprophylaxis for further guidance.
For interviews of an ill, suspected or confirmed swine influenza A virus case, the following is
recommended:
- Keep a distance of at least 6 feet from the ill person; or
- Personal protective equipment: fit-tested N95 respirator [if unavailable,
wear a medical (surgical mask)].
For collecting respiratory specimens from an ill confirmed or suspected swine
influenza A virus
case, the following is recommended:
- Personal protective equipment: fit-tested disposable N95 respirator [if
unavailable, wear a medical (surgical mask)], disposable gloves, gown, and
goggles.
- When completed, place all PPE in a biohazard bag for appropriate disposal.
- Wash hands thoroughly with soap and water or alcohol-based hand gel.
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