How many diseases are carried by ticks?
A.3 – There are lots of tick-borne disease throughout the world. In the UK there are several diseases carried by various tick species which can cause illness in farm livestock, domestic pets and people. Because there can be different strains of the same organism, the diseases that result from them may have different names depending on the type of host they have infected. There are four particular kinds of organisms that cause these different diseases; namely viral, bacterial, rickettsial and protozoal.