| viral pollution of seawater at barcelona. | a virological study of sea water was carried out at barcelona (spain) in june and september 1979. three beaches were sampled in june; the september samples were taken in front of an outlet at 2, 5, 20 and 1,000 m offshore. all of the samples from the 3 beaches contained viruses, at rates varying from 0.12 to 1.72 mpncu/l. vaccinal poliovirus type 3 and coxsackie b5 predominated. for the offshore samples, 55% were positive with rates ranging from 0.15 to 0.36 mpncu/l. vaccinal poliovirus type 3 w ... | 1982 | 6297187 |