People wait for the arrival of Kerala Chief Minister Pinarayi Vijayan, pictured on an election campaign poster, in Kochi, Kerala. Vijayan won re-election in May. AP Photo
People wait for the arrival of Kerala Chief Minister Pinarayi Vijayan, pictured on an election campaign poster, in Kochi, Kerala. Vijayan won re-election in May. AP Photo

One Indian state's Covid success story could inspire sequels elsewhere