News & Perspective

(CIDRAP News) – To quell the notion that pigs are to blame for the swine influenza H1N1 epidemic, three international agencies said today they would take the "swine" out of the virus's name and call it "influenza A/H1N1" instead.

Editor's note: Today we are launching a daily digest of the latest developments concerning the swine influenza H1N1 virus. This digest will be updated more than once a day as news developments dictate.

(CIDRAP News) – Swine influenza viruses have never been documented as the cause of a human influenza pandemic, but in 1976 they generated pandemic fears strong enough to trigger a nationwide vaccination campaign.

The reporting of swine flu cases in two California children this week stirred memories of the 1976 episode, which caused major embarrassment for public health authorities when the pandemic never materialized.

(CIDRAP News) – Scientists report that H5N1 avian influenza viruses may be adapting to pigs, as evidenced by the finding that H5N1 viruses isolated from pigs in Indonesia were less harmful to mice than were H5N1 viruses from chickens.

(CIDRAP News) – Public health officials from South Dakota yesterday reported a swine influenza infection in a 19-year-old male college student, the second case in the United States in the past 2 months.

(CIDRAP) – The Centers for Disease Control and Prevention (CDC), in its latest update on the nation's seasonal influenza activity, reported on a person who was infected with a swine influenza virus following several exposures to pigs, including a sick one.

(CIDRAP News) – A pharmaceutical company is reporting good results in the first clinical trial of an H5N1 avian influenza vaccine that uses a whole, killed H5N1 virus grown in cell culture—a combination of techniques that entails some risk but may boost immune response and shorten production time.

(CIDRAP News) – Avian influenza could be infecting up to half of the pig population in some areas of Indonesia, but without causing symptoms, Nature magazine reported in this week's edition.

Meanwhile, Chinese officials said a flu outbreak among wild birds is twice as large as previously reported, but they denied reports of human cases.