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NNorovirus: from Norwalk to genotypes

Norovirus — A very-low-dose gut virus of schools and ships — soap and bleach surfaces, not alcohol-gel faith.

At a glance
Timeline

Milestones in order. This is history, not a weekly activity grid.

1929 Zahorsky winter vomiting19291968 Norwalk school19681972 EM visualization19721990 Genome sequenced19901990s RT-PCR diagnostics1990s2002 Genus Norovirus20022000s Cruise reporting rules2000s2010s-20s GII.4 waves2010s-20s
  1. Zahorsky winter vomiting
  2. Norwalk school
  3. EM visualization
  4. Genome sequenced
  5. RT-PCR diagnostics
  6. Genus Norovirus
  7. Cruise reporting rules
  8. GII.4 waves
Score intensity

Darker cells mean a higher score for this topic on that metric.

Last reviewed Sources & creditsMedia creditsMethodology

Quick answers

Where should I start with Norovirus?

Read Identity → How they live → Body & health, then use compare rails.

Is this page advice for Norovirus?

Public-health education — not a care plan, prescription, or outbreak briefing.

What does the local lens add?

It names everyday desks for Encounters before English norms look universal.

Are the scores a ranking of Norovirus?

No — editorial 0–100 browsing aids inside this atlas only.

How do I compare Norovirus to neighbours?

Use related cards and best-of / quiz rails after the first three chapters.

Which chapter is densest?

How they live and Body & health carry mechanisms; skim Identity first.

Start with this section - History

Winter vomiting disease had a clinical name before it had a particle. Microscopy and then sequencing filled the file.

The International Committee on Taxonomy of Viruses adopted Norovirus as a genus name in 2002, retiring some older Norwalk-like talk.

Timeline

1929Zahorsky winter vomiting

A clinical description of epidemic winter vomiting predates the particle.

1968Norwalk school

An Ohio outbreak becomes the later namesake.

1972EM visualization

Immune electron microscopy shows the Norwalk agent.

1990Genome sequenced

Norwalk virus RNA is sequenced, opening genotype talk.

1990sRT-PCR diagnostics

Stool tests make outbreak confirmation routine in public-health labs.

2002Genus Norovirus

Official naming settles on Norovirus inside Caliciviridae.

2000sCruise reporting rules

Vessel sanitation programmes publish outbreak thresholds and logs.

2010s-20sGII.4 waves

Successive GII.4 variants dominate many global seasons.

History is naming and control, not a growth method.

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