21. Hultin said he was not worried that he might be sending tissue containing live viruses . 22. Biosecurity Queensland's ongoing surveillance usually shows 7 % of the animals are shedding live virus . 23. Unlike other vaccines, it doesn't use a live virus to trigger the body's immune system. 24. It is a " live virus " vaccine that creates a mild case of vaccinia infection. 25. Patients with the dangerous liver virus have long chafed at having to buy a two-drug kit. 26. "Animals treated with live virus appeared to be healthy and gained weight, " the study said. 27. Attenuated live viruses were found protective against H5N1 in mice and chickens in a 2009 study. 28. In June and July nearly 30 % animals have been reported to be shedding live virus . 29. It is made from a weakened live virus . 30. He didn't volunteer for that live virus test.
