Norwalk Virus

Secretor status most predictive of Norwalk virus infection risk

Published in TB and Outbreaks Week, October 11th, 2005

Secretor status is most predictive of the risk of susceptibility to Norwalk virus infection.

"ABO histo-blood group type and secretor status are two genetically determined factors that contribute to resistance and susceptibility to Norwalk virus (NV). Archived serum samples but not saliva samples are available from NV and many other norovirus challenge studies and outbreaks," researchers in the United States report.

"A person's ABO phenotype is easily determined from their archived sera, but the individual's secretor phenotype cannot easily be ascertained without saliva.

"We now report that a person's secretor genotype can also be...

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Source: TB and Outbreaks Week (2005-10-11)

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