The origins of new pandemic viruses: the acquisition of new host ranges by canine parvovirus and influenza A viruses.

@article{Parrish2005TheOO,
  title={The origins of new pandemic viruses: the acquisition of new host ranges by canine parvovirus and influenza A viruses.},
  author={Colin R Parrish and Yoshihiro Kawaoka},
  journal={Annual review of microbiology},
  year={2005},
  volume={59},
  pages={553-86}
}
Transfer of viruses between hosts to create a new self-sustaining epidemic is rare; however, those new viruses can cause severe outbreaks. Examples of such viruses include three pandemic human influenza A viruses and canine parvovirus in dogs. In each case one virus made the original transfer and spread worldwide, and then further adaptation resulted in the emergence of variants worldwide. For the influenza viruses several changes were required for growth and spread between humans, and the… CONTINUE READING
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