Bird Flu or more correctly, avian flu, is much in the news and causing a lot of anxiety. Many people are worried that they may get it, and the papers are full of horror scenarios.
There are over 100 strains of avian flu, but most of them do not infect humans. The current strain H5N1 can infect humans, but not easily. The number of cases of avian flu in humans in the current outbreak is very small, and almost all have come about by direct contact with infected or dead birds something that most of us are unlikely to experience. So far, the spread of H5N1 virus from person-to-person has been rare and has not continued beyond one person. In fact according to The Times (London, 23rd March 2006) only 184 confirmed cases have been reported worldwide so far from this strain, with 103 deaths. These have been in Cambodia, China, Indonesia, Thailand, Vietnam, and most recently, several cases in Turkey.
What the authorities are much more concerned about is the strain mutating into a variation that can be transmitted between human beings, rather than just from bird to human. This has been designated as influenza A/H5N1. Humans do not have any resistance to this strain,...
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