Naked capsid
No lipid envelope, so some detergents that wreck flu do less here.
Identity is a non-enveloped RNA virus that laughs at some alcohol gels and loves shared indoor vomit events.
Many genotypes mean last year's memory may not cover this year's file.
Traits
Low dose
A conceptually tiny number of particles can start illness.
Many genotypes
GII.4 and others take turns. Short immunity follows.
Vomit aerosol
Projectile vomiting can seed a room beyond the visible mess.
Food handler
Ready-to-eat food touched by an ill person is a classic vehicle.
Not influenza
Stomach flu is a nickname. The virus is not a flu virus.
A cruise headline is an amplifier story, not a species origin story.
Keep exploring
More in Encounters
Influenza
A winter respiratory virus of drift and rare shift — surveillance and vaccines, not a cartoon villain.
Familiarity 93Tuberculosis
An airborne bacillus of latency and long care — programmes and air, not a drug recipe.
Familiarity 70Escherichia coli
Usually a gut resident; a minority of STEC pathotypes drive foodborne headlines.
Familiarity 82Staphylococcus aureus
A common skin neighbor and a resistance story called MRSA — not scare porn.
Familiarity 78Helicobacter pylori
A gastric spiral that rewrote the ulcer textbook — Nobel 2005, Korea's high historic prevalence, no recipes.
Familiarity 68