Complex sentence: In 2011, there were 2 deaths in Louisiana due to the use of tap water (albeit, a rare infection medium) in a "neti pot." There were also individual deaths in 2011 in Virginia, Louisiana, Florida, and Kansas.
Split into simpler sentences: In 2011, Two deaths in Louisiana were due to the use of tap water (albeit, a rare infection medium) in a "neti pot". Individual deaths in 2011 were reported in Virginia, Louisiana, Florida, and Kansas.