In early May, when it appeared that the epidemic had been brought more or less under control in Taipei City, there was a wave of cases of SARS in individuals with no known history of contact with infected persons.
全面大封鎖五月初，原本疫情似乎暫告緩和的台北市，又因陸續出現數名無明顯感染接觸史的病例而再度風聲鶴唳。