FDA halts use of Johnson & Johnson Covid vaccine due to rare blood-clotting issues in six women Written on April 13, 2021. Posted in PT Global Economy. This content is restricted to site members. If you are an existing user, please log in. New users may register below.Existing Users Log InUsername or EmailPassword Remember Me New User RegistrationChoose a Username*First Name*Last Name*Email*PasswordConfirm Password*Required field Previous Next