Knight JA, Lesosky M, Barnett H, Raboud JM, Vieth R.
Vitamin D and reduced risk of breast cancer: a population-based case-control study.
Cancer Epidemiol Biomarkers Prev. 2007 Mar;16(3):422-9.
PMID: 17372236 [PubMed - indexed for MEDLINE]
A nested case control study of plasma 25-hydroxyvitamin D concentrations and risk of colorectal cancer.
Wu K, Feskanich D, Fuchs CS, Willett WC, Hollis BW, Giovannucci EL.
J Natl Cancer Inst. 2007 Jul 18;99(14):1120-9. Epub 2007 Jul 10.
PMID: 17623801
In adults stomach flu is caused most often by Norovirus, about 50% to 70% of cases. The new norovirus "Sydney 2012" is not associated with worse symptoms than other strains noroviruses. In the U.S., the Centre for Control and Prevention of Diseases show that Noroviruses cause 21 million illnesses annually. Of these, 70,000 cases require hospitalization and approximately 800 are fatal.