Vanuatu is one of several Pacific nations severely affected by climate change and prides itself on showing environmental leadership.
A nurse picked up the vaccines and administered them to 13 children and five pregnant mothers.
This after they thrashed Vanuatu 14-0 in the opening match.
The loans give Beijing a lever in one of the most contested areas in the world over recognition of Taiwan, which has strong diplomatic ties to the region.
In the wake of the eruption of Manaro Voui in September 2017, the Ni-Vanuatu government has encouraged people from the affected island of Ambae to relocate to the nearby island of Maewo.
Due to the impending eruption of Manaro Voui, residents of Ambae have had to evacuate the island.