Current major symptoms and their time course (confirm with family or friends)

Recent foreign travel (Chapter 33)

Insect or animal exposure (occupational/recreational)

Contact with infectious disease

Sexual history

Immunization history

Immunosuppression? Consider immunosuppressive therapy, HIV-AIDS, active cancer, advanced chronic kidney disease, liver failure, diabetes, malnutrition, splenectomy, IV drug use

Drug history (if treated with neuroleptic in preceding two weeks, consider neuroleptic malignant syndrome (Appendix 69.2))

Alcohol/substance use