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                           September 24, 2021

       Neil Dey
       Chief Executive Officer and President
       Bluejay Diagnostics, Inc.
       360 Massachusetts Avenue, Suite 203
       Acton, MA 01720

                                                        Re: Bluejay
Diagnostics, Inc.
                                                            Amendment No. 1 to
Draft Registration Statement on Form S-1
                                                            Submitted September
8, 2021
                                                            CIK No. 0001704287

       Dear Mr. Dey:

             We have reviewed your amended draft registration statement and
have the following
       comments. In some of our comments, we may ask you to provide us with
information so we
       may better understand your disclosure.

              Please respond to this letter by providing the requested
information and either submitting
       an amended draft registration statement or publicly filing your
registration statement on
       EDGAR. If you do not believe our comments apply to your facts and
circumstances or do not
       believe an amendment is appropriate, please tell us why in your
response.

             After reviewing the information you provide in response to these
comments and your
       amended draft registration statement or filed registration statement, we
may have additional
       comments.

       Amendment No. 1 to Draft Registration Statement on Form S-1

       Prospectus Summary
       Our Company, page 2

   1.                                                   We note your response
to prior comment 4. Please revise to remove the statement that you
                                                        could have potential
FDA clearance in the fourth quarter of 2022 as this statement is
                                                        speculative.
 Neil Dey
FirstName LastNameNeil
Bluejay Diagnostics, Inc. Dey
Comapany 24,
September  NameBluejay
              2021        Diagnostics, Inc.
September
Page 2    24, 2021 Page 2
FirstName LastName
Symphony Advantages, page 2

2.       We note your revised disclosure regarding the 2016 Japan study
sponsored by Toray.
         Please revise to explain the significance of the chemiluminescent
enzyme immunoassay
         (CLEIA) method. For example, clarify whether this is the current
standard or method for
         measuring serum IL-6 concentrations in the blood.
Symphony IL-6, page 48

3.       We note your revised disclosure in response to prior comment 11.
Please revise to clarify
         if you are conducting a single clinical study at the University of
Texas Southwestern
         Medical Center and Parkland Memorial Hospital or if these are separate
clinical studies.
         For each clinical study, please revise to disclose the study endpoints
and the number of
         patients you plan to enroll. Please also disclose which clinical
studies are being conducted
         at William P. Clements Jr. University Hospital and Zale Lipshy
Pavilion Hospital, when
         they began, the number of patients and the study endpoints.
Intellectual Property, Proprietary Technology, page 50

4.       We note your revised disclosure in response to our prior comment 13.
With respect your
         related patents in international territories, please revise to
disclose the type of patent
         protection granted for each technology such as composition of matter,
use or process, and
         the patent expiration dates.
Notes to Condensed Consolidated Financial Statements
2. Significant Accounting Policies , page F-26

5.       On page 37 you disclose the receipt of a $75,000 grant from the
Massachusetts Growth
         Capital Corporation and we note that you recognized the full amount
for the period
         ended June 30, 2021. Please disclose your accounting policy for grants
received.
       You may contact Sasha Parikh at 202-551-3627 or Vanessa Robertson at
202-551-3649 if
you have questions regarding comments on the financial statements and related
matters. Please
contact Deanna Virginio at 202-551-4530 or Ada Sarmento at 202-551-3798 with
any other
questions.



                                                               Sincerely,

                                                               Division of
Corporation Finance
                                                               Office of Life
Sciences
cc:      Cavas S. Pavri, Esq.