Avian influenzaA viral infection affecting the respiratory system. is one of the hottest topics on news editors’ lips at the momentIn physics it is the tendency of a force to twist or rotate another object. The current media frenzy will certainly send people to their doctors, wanting to know the latest inside information and how they can ‘save themselves’ from the bug. Should your patient still eat chicken? Should they receive a flu jab? Should they be stocking up on Tamiflu? Should they cancel their trip to Vietnam?