Why the deadliest viruses rarely cause pandemics

Nipah sounds terrifying.
High fatality rate. No vaccine. Serious headlines.

But here’s the counterintuitive truth.

The viruses that cause pandemics are usually not the deadliest ones.
They’re the ones that spread quietly, before people even feel sick.

Nipah does the opposite.
People get very ill very fast.
They don’t end up in airports.
They end up in hospitals.

That single difference changes everything about how outbreaks behave.