Epidemiological investigation and analysis of an outbreak of norwalk virus diarrhea;

Objective To know the epidemiological characteristic of infectious diarrhea caused by Norwalk virus in order to provide basis for its prevention and cure.

Results:Samples of the students,teachers and eatery staff and environment were tested by Real-Time Fluorescent PCR of Norwalk virus.

Expression of the ORF2 of Norovirus in Escherichia coli and the Product Analysis;

Detection of Norovirus in Water by RT-PCR;

Epidemiological analysis on Norwalk-like virus gastroenteritis in Guangdong province,2005;

Norwalk-like Viruses and its Detection Methods;

Molecular epidemiology of diarrhea among children with Norwalk-like virus in a hospital of Guangzhou in Autumn and Winter;

Serum antibodies against Norwalk-like viruses and concerned factors;

Objective This study was made to understand the infection status of Norwalk-like viruses in 90 rotavirus-negative stool samples tested by molecular biology from infants and pre-school children who suffered from diarrhea.

Norwalk-like viruses (NLVs) are now the most widely recognized viral agents associated with food and waterborne outbreaks of non-bacterial gastroenteritis world-wide.

Identification of two new strains of norovirus in Guangzhou;

Seroepidemiological Study of Norovirus in Different People and Identification of the Genotypes in Norovirus Infection;

Results:Among the 13 collected excrement specimens,5 were Norovirus antigen positive detected by ELISA,the positive rate was 38.

RESULTS: The Norwalk like virus (NLVs) was detected from the stool specimens of the child, father, grandfather and the specimen of crab, and the homologous was 100%.

Objective To investigate, treat and analyze of population viral gastroenteritis incident caused by Norwalk like virus.