Meiji Seika Pharma Files Lawsuit In Japan Over Kostaive Misinformation

The Japanese pharma firm sued a politician, claiming defamatory actions on social media related to its novel COVID-19 vaccine.

Meiji Seika Pharma filed a defamation lawsuit on Kostaive, revealing a strange finding about a mysterious bestseller. (Shutterstock)

A misinformation dispute in Japan over Arcturus Therapeutics' COVID-19 vaccine Kostaive (ARCT-154) saw an unprecedented twist in December, when local distributor Meiji Seika Pharma decided to pursue a lawsuit and internal investigation over a bestselling book on Amazon.

Since Japan became the first country worldwide to approve Kostaive in November 2023, Meiji Seika Pharma has repeatedly warned several people about spreading what it calls

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