[skr]

Because he told the staff he had come from Liberia. That should’ve set off some warning bells.

[palmer]

Because he told the staff he had come from Liberia.

His family says that he said "Liberia". The hospital says that he said "Africa".

[fatnotlazy]

There is some question about that. But even if he did say, Liberia, I doubt whether that would have aroused suspicion.