they can both be harmful to one's health and they both can reproduce and are microscopic. also they can sometimes be transmitted from carrier to carrier in a similar manner.
they can both be harmful to one's health and they both can reproduce and are microscopic. also they can sometimes be transmitted from carrier to carrier in a similar manner.
they can both be harmful to one's health and they both can reproduce and are microscopic. also they can sometimes be transmitted from carrier to carrier in a similar manner.