Share this postFully Vaxxed-Universal Sign Languageterrylclark.substack.comCopy linkFacebookEmailNoteOtherFully Vaxxed-Universal Sign LanguageTerry L. ClarkJan 29, 20232Share this postFully Vaxxed-Universal Sign Languageterrylclark.substack.comCopy linkFacebookEmailNoteOtherShareTerry L Clark on Substack is a reader-supported publication. To receive new posts and support my work, consider becoming a free or paid subscriber.Subscribe