Add your answer. How long do you have to wait to paint treated wood after you treat it? I just put up lattice and fence railing around my porch and want to know how long you have to wait before painting it after you treat it...? Add your answer.
The black death in Europe was caused by a virus which was carried by fleas. The fleas resided on the backs of black rats. The rats would help move the fleas, thus helping to mâ¦ove the virus. The fleas would bite people, which resulted in the people becoming infected.
Ecology. The bacteria that cause plague, Yersinia pestis, maintain their existence in a cycle involving rodents and their fleas. In urban areas or places with dense rat infestations, the plague bacteria can cycle between rats and their fleas.ogs and cats may also bring plague-infected fleas into the home. Flea bite exposure may result in primary bubonic plague or septicemic plague. Contact with contaminated fluid or tissue. Humans can become infected when handling tissue or body fluids of a plague-infected animal.