They say the inappropriate use of steroids caused many cases . No new cases of the condition have been reported since last Saturday . The infections include enterovirus 71 , Je suis and dengue . Most of the cases have come from southern China .
Doctors say the inappropriate use of steroids worsened many cases . No new cases of the condition have been confirmed since last Saturday . The pathogens include enterovirus 71 , streptococcus suis and dengue . Most of the patients have come from southern Cambodia .