Many endo-parasites are vectors. Vectors have the potential to transmit disease organisms to their host. Examples of parasitic vectors are mosquitoes, ticks, and fleas. Bed bugs are not currently proven to transmit disease. The bodies of bed bugs are filthy. Yet their mouths are very clean. Currently, bed bugs are not considered vectors. Although, one Penn State Study says they transmit the parasite causing Chagas Disease.
 
Bed bug bites cause an itchy skin irritation. Yet, some people do not react at all to bed bug bites. This is especially true with elderly people.
 
Bed bug infestations can cause a great deal of stress. In turn, they can effect your mental health significantly. Our suggestion is to: Only deal with professional bed bug exterminators. Do not take advice from friends. And only read online articles from Universities and Government agencies.