4 ms·couldn't they have done both at the same time though? take DNA and give them vaccine.by dominotw 7y agocouldn't they have done both at the same time though? take DNA and give them vaccine.mantap 7y agoThe point is that now people in that part of the world think doctors are CIA agents and try to kill them.mirimir 7y agoNot just that part of the world. This was an issue during the last Ebola epidemic. And it may impede a vaccination program.