19 May 2022/by Joris van den NieuwenhuizenSweden: Gävle municipality vaccinate their elms with DutchTrig
4 February 2021/by Joris van den NieuwenhuizenNorway: Intensified struggle against Dutch Elm Disease in Oslo
23 May 2017/by Joris van den NieuwenhuizenUSA: More and more elms in New York City protected against Dutch Elm Disease
19 May 2022/by Joris van den NieuwenhuizenSweden: Gävle municipality vaccinate their elms with DutchTrig
4 February 2021/by Joris van den NieuwenhuizenNorway: Intensified struggle against Dutch Elm Disease in Oslo
23 May 2017/by Joris van den NieuwenhuizenUSA: More and more elms in New York City protected against Dutch Elm Disease
