Pyongyang, November 25 (KCNA) -- Scientists of a country recently developed a cure-for-all flu vaccine "Flu-V".

Clinical study of the vaccine proved that it can resist the affection by avian flu virus, A(H1N1) influenza virus and other viruses and mitigate symptoms.

A report has it that the new vaccine is capable of detecting and attacking the key part of every virus no matter how often the influenza viruses may change their types. Yearly inoculation is thus not needed once vaccinated.