Sentences with phrase «numbers by infected animals»
Because this virus was (and is) shed in huge numbers by infected animals, and because the virus is especially hardy in the environment, worldwide distribution of the virus rapidly occurred.
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Because this virus is shed in enormous numbers by infected animals and is very hardy, it is present worldwide in every environment.
Not exact matches
GOING VIRAL The diversity of viruses carried by such animals as rhesus macaques (one shown) hints at the number of viruses capable of infecting humans that are yet to be discovered.
Hookworms can cause a number of difficulties for the infected animal including anemia since these worms feed off the animal's blood by damaging the intestinal mucosa.