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Dec 26, 2012

Deadly Chicken Virus Emerges from Vaccine Combination

Mutations Ultimate Goal
Via: Softpedia
Scientists are reporting an unusual condition among chicken grown in Australia. They say that the viruses introduced in the poultry in small amounts, as part of a vaccination campaign, appear to have recombined inside the animals, leading to a severe type of infection. As the new organism starts to attack the chicken, the latter get sick, and die soon afterwards. The condition has thus far only been detected in vaccinated chicken. Researchers believe that such campaigns should be carried out more carefully, in order to avoid such disastrous consequences. The main thing about vaccines is that they should prevent diseases from occurring, not cause them. They work by introducing a small amount of a particular virus in the body.
 The immune system picks up the intruder and destroys it, creating the antibodies necessary for doing so in the process. Then, if the same virus tries to invade – such as during an epidemic – the body is immune to its effects, and makes short work of the pathogen. In the case of animals grown intensively at a large scale, several vaccines are often administered at the same time, Science Now reports. The chance of the tiny amounts of viruses introduced by these vaccines meeting and putting their genetic material in common is very low, yet not non-existent, as the new situation clearly demonstrates.
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