Vaccine politics could end up nudging countries in the region even deeper into China’s orbit. As vaccines fail to materialise in many countries, doctors turn to cheap, widely available off-patent drugs such as Ivermectin. It is a time-honoured custom of business that manufacturers provide certain basic guarantees to prospective buyers about their product’s quality and safety. But U.S. pharma giant Pfizer wants to turn this on its head as it sells its experimental mRNA vaccine to desperate governments around the world. For Pfizer, it’s the buyer — not the seller — that should provide...