Su observes that there hasn't been a severe outbreak of seasonal flu this fall and winter, and it seems as if the flu strains are interfering with each other. The more virulent H1N1 has seemed to suppress seasonal flu.
蘇益仁觀察，這個秋冬季的一般流感疫情並不嚴重，病毒之間似乎相互干擾，毒性強的 H1N1 把流感「壓」下來了。