One may not spit on a bus.
SMC 12A.12.040 Disorderly conduct on buses. A. A person is guilty of disorderly bus conduct if while on or in a municipal transit vehicle, as defined in RCW 46.04.355, or in or at an underground municipal transit station, and with knowledge that such conduct is prohibited, he or she: 1. Smokes or carries a lighted…
No person may walk about in public if he or she has the common cold.
RCW 70.54.050 Exposing contagious disease — Penalty. Every person who shall wilfully expose himself to another, or any animal affected with any contagious or infectious disease, in any public place or thoroughfare, except upon his or its necessary removal in a manner not dangerous to the public health; and every person so affected who shall…
You are not allowed to breast feed in public.
Repealed, 2001. As of 2001, law indicates that breastfeeding is not indecent exposure. A 2009 law expands mother’s rights by stating that women can not be asked to cover up or move to a restroom by any business.