[Mariner]

There’s a video posted on this site that say people are contagious up to 5 days before the onset of any symptoms.

[palmer]

There’s a video posted on this site that say people are contagious up to 5 days before the onset of any symptoms.

Remember though, viral infections cause the symptoms. If you don't have any symptoms then you don't have much virus. If your symptoms are very mild with the virus, then it's not a very lethal virus.