Muscle aches and tiredness – more common for COVID-19 and flu – don't happen with a cold. RSV, or respiratory syncytial virus , usually causes mild symptoms akin to cold that go away on their own.

By 1925, when Popular Science reported the findings of the US Public Health Service’s first-ever survey on the common cold, many still clung to outdated beliefs despite four decades of germ science.

Muscle aches and tiredness – more common for COVID-19 and flu – don't happen with a cold. RSV, or respiratory syncytial virus ...