04:32CrowdScienceCan being happy help me fight infection?BBC World Service Duration: 40 minutes Mon 8th Feb 2021, 04:32 on BBC World Service East AsiaAvailable for over a yearListen nowWhy mood affects how we fight a virus. Show more GenresFactualScience & NatureScience & TechnologyFormatsDiscussion & TalkBrandCrowdScience Source: BBC Online