There are two things that I have learned in my years of eating out. One is to always take an antihistamine before eating in any restaurant that is new to me. The other thing is to always tell the server about my food allergy.
(a) If you are buying a new home. This will enable you to check the quality of the existing water supply. Although it might come from the municipal water supply you do not know what is in the house system.
The options to punish or cure the deficiencies are many, and only as the most extreme- and last resort option would the health department revoke a physician’s license. But simply by bringing a lawsuit against a physician for monetary compensation does not affect his license to practice medicine.
Maintenance. You are the one that will have to look after all those pesky little issues.toilets, sinks, leaks, mildew, electrical problems, etc. If you have to hire someone every time something goes wrong, it can get expensive.
Much of the response to the threat of Giardia is overkill. A favorite scholarly article on Giardia was written by Robert L. Rockwell, PhD. It’s titled, Giardia Lamblia and Giardiasis, With Particular Attention to the Sierra Nevada. Bob Rockwell is an active mountaineer who made his first trip into the Sierra Nevada in 1952 to climb Mt. Whitney, and he repeats this climb several times annually. He has a bachelor’s degree in Physics from UC-Berkeley, and a PhD in Aeronautical and Astronautical Engineering (Biomechanics) from Stanford.
No matter what water treatment system you use, be sure your hands are clean, especially after bathroom breaks. This is one of the most important points of this article. Impure hands can often transfer microorganisms to food or water, and the water gets blamed for the result.
According to AP news, somebody in China fell asleep at the switch when melamine was added to baby formula, candy and an unknown number of other products. The baby formula wound up sickening 53,000 Chinese infants and killed four more.