| [malaria situation in the people's republic of china in 1998]. | notwithstanding there was a flood over the five provinces located at the middle and lower reaches of the changjiang river, i.e. hunan, hubei, jiangxi, anhui and jiangsu, in the summer and autumn of 1998, the prevalence of malaria in these areas was basically stable or slightly decreased as a result of timely implementing active and effective preventive measures. according to the case reporting system, the number of malaria cases of the whole nation totaled 31,319 in 1998, with a mean incidence o ... | 1999 | 12563754 |