Given the task definition and input, reply with output. Given a sentence in the Japanese, provide an equivalent translation in Bahasa Indonesia that retains the same meaning through the translation. In translation, keep numbers as it is.

木曜日のマスコミ向けの記者会見で、WHOのSpecialPandemicInfluenzaAdvisorの福田敬二氏はウィルスはここ数ヶ月特に北半球で活性化していると述べた。
Arahan dengan para reporter hari kamis, penasehat spesial pandemi Influensa WHO Keiji Fukuda mengungkapkan bahwa firus sangat aktif kususnya di daerah Utara Hemisphere pada bulan-bulan ini.