In what researchers say is the first public health study of the aerial mosquito spraying method to prevent West Nile virus, a new study analyzed emergency department records from Sacramento area hospitals during and immediately after aerial sprayings in the summer of 2005.
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/Q...
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/Q...