Autism is associated with prenatal maternal infection with rubella virus or cytomegalovirus. Clostridia bacteria species are associated with autism (these bacte... more
Depression is associated with cytomegalovirus and West Nile virus, and the protozoan parasite Toxoplasma gondii. It is thought that depression may be precipitat... more
Multiple sclerosis, a demyelinating disease, is associated with Epstein-Barr virus, human herpesvirus 6, varicella zoster virus, and the bacterium Chlamydia pne... more
Chronic obstructive pulmonary disease (which includes both chronic bronchitis and emphysema) is associated with Chlamydia pneumoniae and Epstein-Barr virus.
Schizophrenia is associated with bornavirus, the bacterium Chlamydia trachomatis, as well as Borrelia species bacteria. Schizophrenia is also linked to neonatal... more
Amyotrophic lateral sclerosis, the most common of five forms of motor neuron disease, is associated with echovirus (an enterovirus) infection of the central ner... more
One study found ileocecal Crohn's disease is associated with viral species from the enterovirus genus (but note that all the study cohort with ileocecal Crohn's... more
Infection with Borrelia species bacteria is associated with anorexia nervosa. In rare cases, anorexia nervosa may arise after infection with Streptococcus speci... more
Diabetes mellitus type 1 is associated with viral species from the enterovirus genus, specifically echovirus 4 and Coxsackie B virus (the latter it is thought m... more
Stroke is associated with the bacteria Chlamydia pneumoniae, Helicobacter pylori, Mycobacterium tuberculosis, and Mycoplasma pneumoniae, as well as the virus va... more
Obesity is associated with adenovirus 36, which is found in 30% of obese people, but only in 11% of non-obese people. It has further been demonstrated that anim... more
Alzheimer's disease is associated with the bacteria Chlamydia pneumoniae and Helicobacter pylori, and with the protozoan parasite Toxoplasma gondii. Herpes simp... more