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OBJECTIVE To assess the efficacy and immunogenicity of two live attenuated hepatitis A vaccines. METHODS Randomized and controlled clinical trials were conducted in Guanxi, Hebei and Shanghai, 457 251 children were enrolled. The efficacy for preventing clinical hepatitis A was calculated by the comparison of incidence rate of disease between vaccine group(More)
The immunogenicity of a live attenuated HAV vaccine and an inactivated HAV vaccine was compared. Altogether 117 children were vaccinated with either the inactivated or the live attenuated vaccine. Children were bled at months 1, 6, 7, 12 and 24, and the anti-HAV total IgG antibody and IgG subclass profile were assessed. In both vaccinated groups, the(More)
OBJECTIVE To observe the efficacy of emergency immunization to abort hepatitis Alpha outbreak using live attenuated hepatitis Alpha vaccine. METHODS During an outbreak of hepatitis Alpha in a village in Zhengding County, Hebei Province, one dose of live attenuated hepatitis Alpha vaccine (H(2) strain) was administered to 92 schoolchildren of two primary(More)
Recent interest in sedentary behavior and technological advances expanded use of watch-size accelerometers for continuous monitoring of physical activity (PA) over extended periods (e.g., 24 h/day for 1 week) in studies conducted in natural living environment. This approach necessitates the development of new methods separating bedtime rest and activity(More)
BACKGROUND To determine the long-term efficacy and persistence of Chinese infants after receiving only active plasma-derived hepatitis B vaccine, and to evaluate if providing booster vaccination after basic hepatitis B immunization is necessary. METHODS Infants who were born in 1986-1988 in four demonstrative hepatitis B immunization trial areas of Hunan,(More)
In this report, we explored the benefits and costs associated with converting the I-394 High Occupancy Vehicle (HOV) lanes to High Occupancy Toll (HOT) lanes. The study focused on the I-394 corridor, with a 10-year timeframe from 2006 to 2015. The benefits included travel time savings, safety benefits, and vehicle operating cost savings, and the costs(More)
Efficient emergency rehearse system provides both commanders and evacuation crowds with better preparation for dangerous gas diffusion accidents, which definitely causes serious social panic and huge property loss. This paper focuses on four key issues raised by such accidents in the chemical industry parks. These issues include modeling, simulation,(More)
Pr e p a r e d b y: Xin yu (J a so n) C a o Fr a nk D o u m a F a y C l e a v e l a n d This research aims to reveal the interactions between e-shopping and in-store shopping using a sample of Internet users in the Minneapolis-St. Paul metropolitan area. This report summarizes previous research on the interactions among spatial attributes, e-shopping, and(More)
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