Is a 'winter booster dose' recommended?04:15 Source: SBSSBS GermanView Podcast SeriesFollow and SubscribeApple PodcastsYouTubeSpotifyDownload (3.9MB)Download the SBS Audio appAvailable on iOS and Android A booster dose will make sure the protection from your first doses is even stronger and longer lasting, experts claim.ShareLatest podcast episodesAustralia in figures: “Our problems are significantly smaller than in Germany. ”Rebellion in Iran125 years of suffrage: What Europe can learn from Australia's democracyNATO discusses security in the Arctic