"seren" in English Seren {m pl} serums sera Detailed translations for "seren" Seren{masculine plural} Seren(also: Immunseren, Sera) serums Angenommen, die neuen Seren funktionieren nicht? Source: opensubtitles.org Corpus by OPUS Request review Suppose the new serums don't work? Seren(also: Immunseren, Sera) sera