Exhibit A


Joint Filing Agreement


The undersigned hereby agree that this Statement on Schedule 13G/A with respect to the beneficial ownership of shares of Common Stock of TONIX PHARMACEUTICALS HOLDING CORP. is filed jointly, on behalf of each of them.


  Rosalind Advisors, Inc.  
  By: /s/ Steven Salamon  
  Name: Steven Salamon  
  Title: President  
  Rosalind Master Fund L.P.  
  By:  /s/ Mike McDonald  
  Name: Mike McDonald  
  Title: Director, Rosalind (Cayman) Ltd.
(as General Partner to Rosalind Master Fund)