Infectivity of severe acute respiratory syndrome during its incubation period.

Objective: To evaluate the infectivity of severe acute respiratory syndrome (SARS) during its incubation period by investigating chains of transmission and individuals isolated for medical observation with a view to providing scientific evidence for updating protocols of medical isolation.

Methods: Individuals related with the two SARS chains of transmission in Beijing in 2003 and a group of individuals isolated for medical observation in Haidian district of Beijing during the SARS outbreak were selected as subjects of study. Contactors with SARS patients and those with symptom development following the contacts were investigated via questionnaire.

[Study on the public health emergent events in Fujian province in 2004--2007].

Objective: To study the public health emergent events (PHEE) in Fujian province, from 2004 to 2007.

Methods: Descriptive and analytic methods were used to analyze the PHEE in Fujian province according to the internet-based surveillance reports.

Results: From 2004 to 2007, there were 304 emergency events being surveyed.

[Study on the timeliness of the notifiable communicable diseases surveillance system in Fujian province, China, 2004].

Objective: To understand the timeliness of the notifiable communicable diseases surveillance system in Fujian province.

Methods: Database from the internet based communicable diseases reporting system was used.

Results: The 50th percentile of time between the disease diagnosed and report recorded in medical faculties was 1 day in 2004 which was 6 days less than that in 2001 - 2003.

[Efficiency of the quarantine system during the epidemic of severe acute respiratory syndrome in Beijing, 2003].

Objective: An epidemic of severe acute respiratory syndrome (SARS) hit Beijing, China, between March and July 2003 with an attack rate of 1.9 per 10 thousand. (2,521 cases).

[Epidemiological study of the transmission chain of a severe acute respiratory syndrome outbreak].

Objective: To investigate the process of SARS transmission and to evaluate infectivity of SARS patients in different periods of disease development.

Methods: A case of SARS outbreak beginning from a male, 74-year-old patient in Beijing. Two hundred and seventy five primary, secondary and tertiary contacts, including family members relatives, colleagues, and others exposed to him, were traced by field investigation and telephone interview using a standardized questionnaire.

[A cross-sectional survey on injection safety in health facilities in Wulong county, Chongqing city].

Objective: To provide evidence for intervention measures on safe injection through a survey on the safety of injection in the health facilities in Wulong county, Chongqing city, China.

Methods: An investigation on injection safety was conducted among health care providers with a uniform questionnaire.

Results: Glass syringes which were not appropriately sterilized was found in 52.

[Rapid assessment of safety injection in one county, north rural area in China].

Objective: To estimate the frequency of injections and proportion of unsafe injections and to analyses the critical determinants of poor injection practices in general population in China. Also, to study knowledge, attitudes, practice research in providers and general population.

Methods: A random sample consisting residents and health care providers in a rural county was elected and interview about the frequency of received injection, as well as knowledge, attitudes and practices regarding injections were studied.