Do travellers from Africa to Thailand need yellow fever vaccination cards and special checks at the airport?

The inquiry pertains to yellow fever vaccination requirements for a friend visiting Thailand from Africa. It seeks confirmation on whether Thai authorities accept an electronic scan of a lost yellow fever vaccination card and if transit travellers from Africa through Doha need to undergo special checks at Bangkok airport. Community responses indicate that physical yellow fever cards are generally required, and there are specific screening areas at BKK for travellers from certain regions.