Infection
The lyme first are in ticks (deer ticks) or in infected ticks this means the bacteria is in the tick. Then the bacteria leaves the ticks by having the tick bite the human for blood. Then the bacteria transmits indirectly for example by food. Then it is the time for the bacteria to entry the host. The virus entry's the host by brakes of the skin. In order for the body to contract the disease there should be large number of pathogeon invade the body and when the body defenses are weak.
CHAIN OF INFECTION
CHAIN OF INFECTION