Overview: What are Viruses, and what happens when we get viruses in the body? About, among other things, measles and vaccinations.
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First Air Date: Nov 10, 1975Last Air date: Jan 22, 1979Season: 3 SeasonEpisode: 15 EpisodeRuntime: 50 minutesQuality: HDIMDb: 0.00 / 10 by 0 usersPopularity: 2.56Language: Swedish