Schistosomiasis (also known as Bilharzia, snail fever, or Katayama fever) is caused by flatworm parasites that live in the blood vessels of the bladder and intestines. Schistosomiasis - also known as bilharzia, snail fever, or Katayama fever - is caused by flatworm parasites that live in the blood vessels of the bladder and intestines. Health Matters
A Tornado warning means A tornado has been  spotted/touched down in your alert area. You should take  cover if a tornado warning is issued for your area;  go into a cellar, or the lowest, most inner part of your house  where there are no windows (a downstairs or basement bathroom is  ideal).
If your area is under a tornado warning, would you know what to do to stay safe? You may only have a few minutes to get to safety. Knowing what actions to take when a tornado threatens your area will make you a Force of Nature and is an important step in building a Weather-Ready Nation.For more info. on tornadoes and tornado safety, see: http://www.spc.noaa.gov/faq/tornado/.f your area is under a tornado warning, would you know what to do to stay safe? You may only have a few minutes to get to safety. Knowing what actions to take when a tornado threatens your area will make you a Force of Nature and is an important step in building a Weather-Ready Nation.