I. General Situation of the Epidemics
In the 30th week of 2009 (from 0 a.m. on July 27 to 12 p.m. on August 2), 4,193 cases of 18 notifiable infectious diseases were reported in 18 districts and counties across Beijing, with 4 deaths confirmed (3 cases were caused by hepatitis B, and 1 case by tuberculosis). Among them, there were 1,634 reported cases in 11 kinds of Type B infectious diseases, up by 0.99% over last week and increased by 17.89% from the same week last year; the top five diseases with the highest incidence rates were: dysentery, tuberculosis, Hepatitis B, A H1N1 Influenza and syphilis; six kinds of Type C infectious diseases amounting to 2,558 cases were reported, down by 8.54% from last week and up by 24.30% from the same week last year.

This week, 2,558 cases in the following 6 categories of Type C infectious diseases were reported: other infectious diarrheas, hand-foot-mouth disease, epidemic parotitis, epidemic influenza, rubella and acute hemorrhagic conjunctivitis.

The number accounted for 61.01% of the total, up by 24.30% over the same period of last year. Among them, the disease categories with increase in the number of reported cases were: rubella, epidemic influenza, hand-foot-and-mouth disease, epidemic parotitis and other infectious diarrheas. The disease category with decrease in the number of reported cases was acute hemorrhagic conjunctivitis.

II. Focus of the Epidemics
(1)  A H1N1 Influenza

During this week, 99 cases of A H1N1 Influenza were reported. Among them, there were 23 cases from Hong Kong, Macao, Taiwan and foreign countries, up by 4.21% over last week.

As of the 30th week, the city had accumulatively reported 518 cases of A H1N1 Influenza. Of these, 192 were foreigners and residents from Hong Kong, Macao and Taiwan, accounting for 37.07% of the total; patients at all age brackets were reported for outbreak, and the cases mainly concentrated on the groups aged 6-54, which saw 497 reported cases, accounting for 95.95% of the total; no report on death case was made.

(2) Dysentery
During this week, there were a total of 989 reported cases for dysentery in Beijing, up by 7.15% over last week and increased by 26.79% over the same week last year, accounting for 98.80% of intestinal infectious diseases. Among them, the top five districts and counties with the most number of reported cases were Chaoyang, Haidian, Fengtai, Changping and Shijingshan, accounting for 62.08% of the total; patients at all age brackets were reported for outbreak, who were mainly scattered-living children, students, cadres, clerks, household workers and unemployed people.

(3) Hand-foot-mouth disease
During this week, there were a total of 749 cases reported cases for hand-foot-mouth disease in Beijing, down by 3.35% from last week and up by 88.19% from the same period of last year. The top 5 districts and counties with the most number of reported cases were Fengtai, Chaoyang, Changping, Haidian and Tongzhou, accounting for 62.48% of the total. The reported cases were mainly composed of preschool children and residentially-scattered children, accounting for 94.13% of the total.

As of this week, the city had accumulatively reported 16,837 cases of hand-foot-mouth disease, with 4 deaths confirmed. The accumulative reported cases in Beijing from May 2 to August 2, 2009 decreased by 13.58% from the same period of last year.

During this week, the intestinal and respiratory diseases saw a slight increase over last week and substantially increased over the same period last year, of which, intestinal infectious diseases were mainly represented by dysentery, and respiratory infection disease were mainly represented by A H1N1 Influenza. Hand-foot-mouth disease has been consecutively dropped for the fifth week, which has indicated a slow downward trend.

For the purpose of safeguarding the celebration events during the Sixtieth National Day of the PRC and continuous prevention and control of A H1N1 Influenza, in view of current characteristics of higher density of mosquitoes and flies in summer, epidemic-prone intestinal and respiratory infectious diseases and the school holidays, competent authorities should serve the purpose of strengthening the prevention and control of A H1N1 Influenza and intestinal infectious diseases for residents, mobilize all townships, sub-districts and communities to make joint efforts in urban and rural areas, call on the broad masses of people to understand diseases with scientific and rational attitude, actively respond to the possible arrival of epidemics, and do a good job in mobilizing the general public throughout Beijing to control and guard against the outbreak of such diseases. Meanwhile, it is also necessary to closely monitor the epidemic situations, prevent and control epidemics as early as possible so as to avoid multiple and clustering cases, as well as such events as cholera, food poisoning.