Independently of the rational processes the period of post-truth is considered as the construction of the reality produced by individuals in the context of their emotions and ideas. This period has been specifically explained about the spread of new media environments, such as user derivative content production, uncontrolled structure, and rapid use of new media. In this study, Covid-19 vacatination related news researched with content analysis method by “teyit.org” which is confirmation/verification service provider. Conviction of the analyst these news are evaluated in the context of the post-truth. According to the findings of the study, conspiracy theories that say people will be microchipped with the vaccine and there are many of deaths and neutering related sickness of the people caused by the fastly produced vaccine which is unusal and against the health system. More importantly conspiracy theories says that the virus is human made and it is all planned. These unconfirmed news has oftenly been circulated through the new media channels. When the news is searched, it is seen that the news does not have not any relaible source, it is usually spreads through social media environments shared by the anonymous accounts with a lot of interaction by the users. The new media environments are much more functional in grounding the truth although these conspiracy theories news take place in traditional media channels. Therefore the media literacy in general and social media literacy in particular should be developed in order to prevent the post-truth.