As humans are typically infected by Zika virus carried by mosquitoes, the researchers also grew their Zika virus stock in mosquito cells for a few days before applying the virus onto the human cells used in all of their infection experiments. (sciencedaily.com)
«My gut feeling is that the difference is because virus stocks with high populations of 7U are more pathogenic in primates and harder to protect against.» (scientificamerican.com)
A cell - free virus stock was amplified in PHA - stimulated rhesus macaque PBMCs. (nibsc.org)