Entered by land (rail) mat Padang Besar ~4 weeks ago. Malaysian officials were asking those who had just cleared Thai exit clearance (the Thai officer was a hijab-wearing woman who shouldn't be unexpected in these parts) if they had completed MDAC and had a QR code for those who hadn't. Additional health screening prior to immigration and that was whether one had been in a country where Monkeypox is present 2 or 3 weeks prior to arrival in Malaysia.