FRANKFURT (Reuters) -BioNTech said on Thursday that its collaboration with Pfizer has not changed, when asked to comment on a report that Pfizer is looking to sell its stake in the German biotech firm. "We continue to have a close and strong collaboration," a spokesperson said in a statement, adding that BioNTech would not be commenting on any capital market activities by Pfizer. (Reporting by Ludwig Burger, editing by Thomas Escritt) (The article has been published through a syndicated feed. Except for the headline, the content has been published verbatim. Liability lies with original publisher.)
