Read the text and determine if the sentence is true:

Deng Haihua, Ministry of Health spokesperson, expects the disease to reach its height between May and July. Yang Weizhong Deputy Director for the Chinese Center for Disease Control and Prevention said researchers are increasing research efforts to find a vaccine for EV71. Families are being instructed to embark on week-long disinfections with free medical supplies from local health authorities.

Sentence: Yang Weizhong is not the Ministry of Health spokeman.