I. General Situation of the Epidemics
 During the 28th week of the year 2009, from 0 o'clock of July 13 to 24 o'clock of July 19, across the 18 districts and counties of Beijing, 4551 cases of 20 legal infectious diseases have been reported, among which are 3 deaths (one AIDS, one hepatitis B and one hand-foot-mouth disease).

Among them, 13 categories of Type B Infectious Diseases amounting to 1639 cases have been reported, 5.54% higher than last week and 12.96% higher than the same week of last year. The top 5 categories of diseases with the highest incidence rates are dysentery, tuberculosis, hepatitis B, syphilis and gonorrhea. 7 categories of Type C Infectious Diseases amounting to 2912 cases have been reported, 7.23% lower than last week and 8.98% higher than the same week of last year.

This week, 2912 cases of 7 categories of Type C Infectious Diseases have been reported, including other infectious diarrhea, hand-foot-mouth disease (HFMD), epidemic parotitis, acute hemorrhagic conjunctivitis,  epidemic influenza, rubella and ship fever, accounting for 63.99% of the total reported legal epidemics, 8.98% higher than the same period of last year.

Among them, categories with increased cases reported include acute hemorrhagic conjunctivitis, other infectious diarrhea, epidemic parotitis, epidemic influenza and ship fever, while the decreased categories include rubella and hand-foot-mouth disease.

II. Focus of the Epidemic

(1) A H1N1 Influenza
This week, 60 cases of A H1N1 Influenza have been reported (among which there are 27 Hong Kong, Macao and Taiwan and foreign cases), one case more than last week.
As of the 28th week, reported and confirmed cases of A H1N1 Influenza total at 326 in Beijing, among which 146 cases are foreigners, accounting for 44.79%; all age groups are involved and the patients are mainly 6-54 years old with 309 cases, accounting for 94.79% of the total; no deaths have been reported.

(2) Dysentery
This week, 989 cases have been reported throughout the city, up 7.85% compared to last week and up 13.68% compared to the same period of last year.
Among them, the top five regions and counties with the highest incidence rates are Chaoyang, Haidian, Fengtai, Changping and Shijingshan, accounting for 63.90% of the total cases; all age groups are involved and the patients are mainly scattered-living children, cadres, students, household service staff, unemployed people and the retired.
As of this week, the city has reported 11066 cases of dysentery, a decrease of 17.65% compared to the same period of last year.
　　
(3) Hand-foot-mouth Disease
 This week, 806 cases have been reported, down 1.83% compared to last week and down 10.74% compared to the same period of last year.
The top 5 districts and counties with the most cases are Chaoyang, Fengtai, Changping, Haidian and Tongzhou, accounting for the 69.55% of the total reported cases. The reported cases  mainly focus on preschool children, residentially-scattered children and students, accounting for the 96.03% of the total.
On July 13th, one death case of hand-foot-mouth disease was reported. The patient was a two-year-old girl living in Dadongyuan, Qingyundian Town, Daxing District (migrant), who caught the disease  on July 6th and died on July 13th.
As of this week, the city has reported 15355 cases of hand-foot-mouth disease with four deaths.
The city’s cumulative reported cases from May 2 to July 19, 2009 decrease by 17.86% compared to the same period of last year.

III. Precautions
This week, the epidemic situation is relatively steady, cases of intestinal infectious diseases with dysentery as primary reported disease continue to increase, and approach the highest daily report of dysentery of last year (1030 cases). The cases of A H1N1 Influenza reported remain close to those of last week. The cases of hand-foot-mouth disease reported have decreased for three consecutive weeks.
 

Now is the peak season for intestinal infectious diseases and food poisoning. Beijing Municipal Health Bureau demands all departments  continue to closely monitor the situation of intestinal infectious diseases, strengthen the management on enteric diseases clinics, take prevention and control measures in time once disease cluster occur, and make more effort on health supervision of food and catering to prevent the occurrence of intestinal infectious diseases such as dysentery and infectious diarrhea diseases.
 

Moreover, attention should be paid to the changes of important infectious diseases such as A H1N1 Influenza and hand-foot-mouth disease to minimize the occurrence of disease cluster, severe cases and death cases.