Plpa 200 the method of virus transmission in which an insect vector must feed for many minutes to acquire and transmit the virus, and in which the insect vector retains the virus for a long period of time (weeks to life) is

Ibelieve it would be d (side effect) sorry if i'm wrong(:

If it's a smaller child or infant, place one on the middle of the chest and on the child's back. (if it is a bigger child with enough room for two, place one on the upper right/your left of the chest, and one on the lower left/your right) the pads should never touch each other.