Ragweed sensitization in Europe – GA2LEN study suggests increasing prevalence.

The article reports on a pan-European study from 16 centres in 13 European countries, which suggests the increasing prevalence of ragweed sensitization in Europe. The study indicated that except Finland, all European countries posted prevalence for ragweed sensitization above the 2.5% suggested cut-off for high prevalence. Moreover, the article noted that results of the study attested the spreading of Ambrosia pollen and the dissemination of Ambrosia plants throughout Europe.