I. General Situation of the Epidemics
In the 29th week of 2009 (from 0 a.m. on July 20 to 24 p.m. on July 26), 4415 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, 12 categories of Type B Infectious Diseases amounting to 1618 cases were reported, 1.28% lower than last week and 26.80% higher than the same week of last year. The top 5 categories of diseases with the highest incidence rates were as follows: dysentery, tuberculosis, hepatitis B, syphilis and A H1N1 Influenza. Six categories of Type C Infectious Diseases amounting to 2797 cases were reported, 3.95% lower than last week and 16.64% higher than the same week of last year.

This week, 2797 cases out of the following six categories of Type C Infectious Diseases were reported: other infectious diarrheas, hand-foot-mouth disease, epidemic parotitis, acute hemorrhagic conjunctivitis, epidemic influenza and rubella. The number accounted for 63.35% of the total and was 16.64% higher than the same period of last year. Among them, the categories with increased cases reported were other infectious diarrhea, epidemic influenza and hand-foot-mouth disease; the categories with decreased cases reported were acute hemorrhagic conjunctivitis, and the categories with the same cases reported were epidemic parotitis and rubella.

II. Focus of the Epidemic
(1) A H1N1 Influenza
This week, 95 cases of A H1N1 Influenza were reported and confirmed, 58.33% higher than last week.
As of the 29th week, reported and confirmed cases of A H1N1 Influenza total at 418 in Beijing. Among them, 164 cases were foreigners, accounting for 39.23% of the total; all age stages had cases, and most patients were 6 - 54 years old with 399 cases, accounting for 95.45% of the total; no death case reported.

(2) Dysentery
This week, 923 cases were reported, 6.67% lower than last week and 28.55% higher than the same week of last year. Among them, the top five districts and counties with the highest incidence rates were Chaoyang, Haidian, Fengtai, Changping and Xicheng, accounting for 61.76% of the total cases; all age stages had cases and the patients were mainly scattered-living children, cadres, students, household service staff, unemployed people and retirement staff.
As of this week, the city has reported 11955 cases of dysentery, 15.63% lower than the same week of last year.

(3) Hand-foot-mouth disease
This week, 775 cases were reported, 3.85% low than last week and 19.60% higher than the same period of last year. The top five districts and counties with the most cases reported were Chaoyang, Changping, Fengtai, Haidian and Daxing, accounting for 61.55% of the total. The reported cases were mainly composed of preschool children and residentially-scattered children, accounting for 93.55% of the total.
As of this week, the city has reported 16105 cases of hand-foot-mouth disease with four death cases. The city’s cumulative cases reported from May 2 to July 26, 2009 decrease by 16.35% from the same period last year.

III. Precautions
This week, the city’s epidemic report had a slight decrease than last week, but the cases of respiratory infectious disease and intestinal infectious disease saw a larger increase than the same period of last year. The diseases with the higher incidence rates were still dysentery and other infectious diarrhea diseases; A H1N1 Influenza case was still rising while hand-foot-mouth disease case was falling slowly.

Now the summer vacation starts, many student summer camps, junior military academy, collective travels, training courses and other activities started. In order to guard against the spread of A H1N1 Influenza through various activities and effectively protect the student's health and safety, Beijing Municipal Health Bureau demands the departments concerned to make effort to implement the requirements of Notice on Strengthening the Prevention and Control of A H1N1 Influenza Against Students’ Collective Activities in Summer and do a good job in prevention. Moreover, attention should be paid on the changes of important infectious diseases such as hand-foot-mouth disease and dysentery in the city to reduce the occurrence of cluster disease, severe case and death.