“I have a bad flu — just a runny nose.”
Usage Entry 1452 / 1605 60-second read
Flu vs. Cold
Influenza (a specific virus, often serious) versus a category of milder upper-respiratory infections.
The comparisoni
“I have a bad cold — just a runny nose. FLU (influenza) is a specific virus, usually with high fever, body aches, exhaustion. COLDS are milder.”
The ruleii
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FLU = body aches + fever. COLD = milder.
FLU is influenza — a specific virus family with seasonal vaccines. COLDS can come from 200+ different viruses (rhinoviruses dominate). Flu usually hits harder: high fever, fatigue, body aches. Loose usage calls any cold "the flu."
Memory aidiii
Remember it like this
Body aches = flu. Sniffles = cold.