Typhoid fever is contracted by the ingestion of the bacteria in contaminated food or water, through poor personal hygiene, or close contact with someone who is infected. Patients with acute illness can contaminate the surrounding water supply through stool, which contains a high concentration of the bacteria.
Turn off the main water valve that provides water to the bathtub and open the faucet handle to relieve the pressure. Remove the handle cover cap by prying it off with the blade of a pocket knife. Unscrew and remove the central handle screw, using a Phillips screwdriver. Pull off the handle.
If all of the above has not fixed your leak, and your valve is more than 10 or 15 years old, it is possible that the actual faucet body may have developed a leak. If so, you will need to replace your tub/shower valve with a new one.n a single handle faucet, you need to tighten the adjusting ring or replace the cam and packing. Tighten the adjusting ring until no water leaks around the stem when the faucet is in the full on hot and cold mixed position and pressure is exerted down on the handle.