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Why viruses are not in our good books?

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For all their amazing abilities of being able to survive outside their host, replicate in large numbers and still not be called 'living', viruses have failed to get some positive reviews for themselves. This is likely to be because the term virus is associated with some of the most scariest diseases in human history. Influenza, AIDS, SARS and the recent spread of Ebola, all have their roots in the term 'virus'. Yet, today, we will not dwell on how bad viruses are or the havoc they can cause. This post is more about how intelligent can viruses be! 
Although most viruses are associated with harmful diseases that are caused as a result of infection, there is also a large family of viruses who have a friendly association with their hosts. Called Polydnaviruses, these viruses have long been known to exist, mutually, with their hosts, the parasitoid wasps (which rely on smaller insects such as worms for their reproduction). On gaining maturity, the parasitoid wasps lays its e…