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Healthy Adults May Have Protective Immunity That Blunts Severity of H1N1 Influenza Infection

Healthy adults may have some degree of protective immunity against the novel 2009 H1N1 influenza A virus (commonly referred to as swine flu), which is responsible for the current ongoing pandemic, according to a new study published in the November 16, 2009 advance online edition of Proceedings of the National Academy of Sciences. These findings may help explain why the current H1N1 flu has not caused more severe illness, and why children are more susceptible and require more vaccine doses than adults. alt

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Forum: Seasonal and H1N1 Swine Flu Are Risks for People with HIV, but Vaccines Are Scarce

HIV positive people -- especially those with a low CD4 cell count -- should get vaccinated against the flu, a panel of experts agreed at a November 10 forum in San Francisco on "Surviving the Flu Epidemic." However, the clinicians reported that they did not yet have a supply of the 2009 H1N1 swine flu vaccine, and local stocks of seasonal flu vaccine have run out since the government directed manufactures to shift to H1N1 vaccine production. In the meantime, they suggested, it would be prudent to have the flu drug oseltamivir (Tamiflu) on hand. alt 

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CDC Updates Interim Recommendations for Clinicians Concerning H1N1 Influenza in HIV Positive Adults and Adolescents

Some HIV-infected individuals, especially those with low CD4 cell counts, may experience rapid progression of illness related to 2009 H1N1 influenza A (commonly called swine flu), as well as complications such as secondary bacterial infections including pneumonia. Early treatment with oseltamivir (Tamiflu) or zanamivir (Relenza) should be considered for HIV-infected adults and adolescents with suspected or confirmed influenza, according to updated guidance for clinicians provided by the U.S. Centers for Disease Control and Prevention (CDC). 

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CDC Issues Updated Information about H1N1 Swine Flu for People with HIV

The risk of 2009 H1N1 influenza A -- also known as swine flu -- in adolescents and adults with HIV/AIDS is currently unknown. However, individuals between the ages of 25 and 64 years with chronic health conditions associated with higher risk of influenza complications, including HIV infection, are an initial target group that should receive the H1N1 flu vaccine. HIV positive people should also be vaccinated against the seasonal flu and bacterial pneumonia, according to updated information from the U.S. Centers for Disease Control and Prevention (CDC).

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FDA Issues Updates for Health Professionals on Vaccines and Antiviral Medications for H1N1 Influenza (Swine Flu)

October 8 the U.S. Food and Drug Administration (FDA) issued its most recent updates for health professionals concerning the ongoing outbreak of novel 2009 H1N1 influenza A, commonly called "swine flu." The updates provide the latest information on H1N1 vaccines and antiviral medications. 

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