11. These viruses were almost identical to the human virus . 12. It can duplicate itself, just like a human virus . 13. The optimal temperature for avian influenza viruses tends to be higher than that for human viruses . 14. And I'm writing it at home while shivering with a fever and a real human virus . 15. This clustering allows us to pinpoint the probable geographic origins of two of the human virus clades. 16. "There are a lot of human viruses that we don't know where they came from, " she said. 17. So basicly my question is, Is there any psychological theory about human viruses ? and what is it? 18. The new subtypes arose in pigs coinfected with avian and human viruses and were soon transferred to humans. 19. Water at those locations also was analyzed for the presence of fecal and total coliform bacteria and human viruses . 20. As long as it involves human viruses and I can write a paper about it im fine with it.