There are two species of flies that we commonly see in Maryland: the common house fly and the stable fly, also known as the horse fly. Both types of flies carry numerous pathogens than can be extremely harmful to humans and pets.
Never pick up a dead rat! Why not? Rats may have infected fleas, when the rat dies the fleas need a new host hence the flea could select you as the host. While we can control disease we need to be careful.