The Boston-based International OCD Foundation (IOCDF) recommends that any child who has such sudden OCD-like symptoms be tested for strep or other active infections.

WSJ: Does Strep Throat Trigger Serious Ills?

Another study in the same journal found that 60% of Lyme disease patients lacked any evidence of previous or active Lyme infections.

FORBES: Lyme Inc.

No active-duty soldiers have died from the infections, but five extremely sick patients who were in the same hospitals as the injured soldiers have died after being infected with the bacteria, Acinetobacter baumannii.

FORBES: Magazine Article

Broadly speaking, the genes less active in the lonely were those involved in staving off viral infections.

ECONOMIST: The reason loneliness could be bad for your health

The upshot, according to Brian Williams of the World Health Organisation, is that if, in some ideal world, every sexually active man in sub-Saharan Africa were circumcised, 2m new infections would be avoided over the course of ten years, and 300, 000 deaths prevented.

ECONOMIST: The XVIIth International AIDS Conference

Chi-Med was able to skip the early-stage trial with its Crohn's disease drug candidate because its active ingredient, the herb andrographolide, has been used in China for decades to treat respiratory infections and inflammation.

FORBES: Magazine Article