However in recent years, the Ministry of Health, Labor and Welfare held an open symposium to encourage all government agencies to work together with regard to countermeasures such as bulletins prior to the 2005 Japanese cedar pollinosis season in which unprecedentedly high airborne pollen levels were forecast but it was unable to finalize any unified national policies or meet public expectations, and the season passed without any visible initiatives.
ただ、近年では未曾有の大飛散と予測された2005年のスギ花粉症のシーズン前には、各省庁が連携して広報などの対策に当たり、厚労省では公開のシンポジウムも開催したが、国を挙げての統一した施策・政策を打ち出して国民の期待に応えることはなく、シーズンが過ぎてからは目立った動きはない。