rs601338(A;A)

Resistance to Norovirus infection

Magnitude
2.5Worth knowing
Repute
Good
Frequency
16%Average of 10 populations
On SNPedia
rs601338(A;A)
Gene
FUT2

Frequency

Share of people with A;A in each HapMap population.

  • European ancestry (Utah)30%
  • African ancestry (Southwest US)30%
  • Yoruba (Nigeria)27%
  • Tuscan24%
  • Luhya (Kenya)22%
  • Maasai (Kenya)16%
  • Mexican ancestry (Los Angeles)9%
  • Gujarati Indian4%
  • Han Chinese (Beijing)0%
  • Japanese (Tokyo)0%

Other genotypes of rs601338

  1. A;GBadsusceptible to Norovirus infectionsTypical · 0.138% of people
  2. G;GBadsusceptible to Norovirus infectionsTypical · 0.145% of people

All about rs601338

Notes

From SNPedia

This genotype confers genetic immunity to infection by the Norwalk norovirus, a major (and contagious) cause of acute gastroenteritis worldwide.

Source and license

Adapted from rs601338(A;A) on SNPedia, using a snapshot taken October 16, 2026. SNPedia content is shared under CC BY-NC-SA 3.0 US, and this page is shared under the same license.

SNPedia is a community-edited wiki. Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice. Magnitude is a community rating of how interesting a genotype is, not a risk score.