Bedbugs have been found to be infected with over 25 disease organisms such as plague, relapsing fever, tularemia and Q fever,<ref> [http://www.bedbugsite.com/faq.php Budbegs FQA]</ref> but are not known to transmit disease to humans, despite possible associations with hepatitis B and Chagas disease. However, their bites often do leave red itchy welts on human skin due to an allergic reaction.<ref>[http://ehp03.niehs.nih.gov/article/fetchArticle.action?articleURI=info%3Adoi%2F10.1289%2Fehp.118-a429 ''Invasion of the Bedbugs'']</ref> | Bedbugs have been found to be infected with over 25 disease organisms such as plague, relapsing fever, tularemia and Q fever,<ref> [http://www.bedbugsite.com/faq.php Budbegs FQA]</ref> but are not known to transmit disease to humans, despite possible associations with hepatitis B and Chagas disease. However, their bites often do leave red itchy welts on human skin due to an allergic reaction.<ref>[http://ehp03.niehs.nih.gov/article/fetchArticle.action?articleURI=info%3Adoi%2F10.1289%2Fehp.118-a429 ''Invasion of the Bedbugs'']</ref> |