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                             June 28, 2021

       Ron Zwanziger
       Chief Executive Officer, Chairman and Director
       LumiraDx Limited
       c/o Ocorian Trust (Cayman) Limited
       PO Box 1350, Windward 3, Regatta Office Park
       Grand Cayman KY1-1108, Cayman Islands

                                                        Re: LumiraDx Limited
                                                            Amendment No. 1 to
Draft Registration Statement on Form F-4
                                                            Submitted June 16,
2021
                                                            CIK 0001685428

       Dear Mr. Zwanziger:

             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 F-4

       Questions and Answers About the Proposals and the Special Meeting
       Did the CAH board of directors obtain a third-party valuation or
fairness opinion in determining
       whether or not to proceed with the Merger?, page viii

   1.                                                   We note your response
to prior comment 3 and re-issue in part. Please revise your
                                                        disclosure in the
response to this question and on page 4 of the proxy statement/prospectus
                                                        to briefly explain why
CAH determined that neither it nor any of its officers, directors,
                                                        sponsor, or advisors
was affiliated with LumiraDx and therefore why CAH did not obtain
                                                        a fairness opinion,
third-party valuation or take any additional measures, such as the
                                                        formation of an
independent committee of the board.
 Ron Zwanziger
FirstName  LastNameRon Zwanziger
LumiraDx Limited
Comapany
June       NameLumiraDx Limited
     28, 2021
June 28,
Page 2 2021 Page 2
FirstName LastName
What happens if I fail to take any action with respect to the special meeting?,
page xii

2.       We note your revised disclosure stating that if "the Merger is not
approved, you will
         continue to be a stockholder and/or warrant holder of CAH and will
become a stockholder
         and/or warrant holder of LumiraDx following consummation of the
Merger." Please
         revise to indicate how a CAH stockholder would become a stockholder
and/or warrant
         holder of LumiraDx if the Merger is not approved at the special
meeting or advise.
Summary
Information About the Companies
LumiraDx Limited, page 1

3.       We note your response to prior comment 4 and re-issue in part. Please
revise the
         "LumiraDx Limited" subsection of the Summary to discuss the test strip
recall in January
         2021.
CAH's Board of Directors' Reasons for Approval of the Merger, page 3

4.       We note your response to prior comment 5 and revised disclosure and
re-issue in part.
         Please revise to provide more specificity on the other EUA submissions
that are being
         referenced in the comparison and discuss the reasons why CAH's board
believes that
         LumiraDx's assays are "among the best performing."
Summary Historical Financial Information CAH, page 13

5.       Please revise the summary historical financial information of CAH for
the three months
         ended March 31, 2021 to be consistent with their Statement of
Operations presented on
         page F-18. Also, since you indicate that the amounts presented are in
thousands, please
         revise the total assets for December 31, 2020 to be $151 rather than
$150,698.
Comparative Per Share Data, page 16

6.       We note your response to comment 10. Please show us your calculations
for the
         combined pro forma and pro forma equivalent book value per share
amounts of $4.66 and
         $3.79 as well as your revised CAH $.76 historical book value per
share. Also, clarify
         whether the book value per share information for CAH is as of March
31, 2021 or
         December 31, 2020. Lastly, indicate what footnote (1) to the table is
attempting to convey
         to readers since you present a December 31, 2020 pro forma combined
balance sheet on
         pages 199 and 200.

Summary of Financial Analyses, page 118

7.       Please remove all disclaimers surrounding the financial projections,
including the
         statement that the summary does not purport to be a complete
description of the analyses
         performed by management and internal advisors of CAH or of its
presentation to CAH   s
 Ron Zwanziger
FirstName  LastNameRon Zwanziger
LumiraDx Limited
Comapany
June       NameLumiraDx Limited
     28, 2021
June 28,
Page 3 2021 Page 3
FirstName LastName
         board of directors on March 19, 2021. CAH is responsible for ensuring
that all material
         information used by its management, internal advisors and board of
directors in
         determining to approve the transaction is presented to investors.
8.       Please revise your CAH financial projections to include the non-GAAP
reconciliations
         required by Item 10(e) of Regulation S-K or advise.
CAH Financial Projections, page 120

9.       We note the "major assumptions" referred to in your headnotes to the
projections are not
         presented with any specificity. As such, and for each scenario
presented, please provide
         the material assumptions underlying the revenue, EBITDA, and free cash
flow
         projections, including asset, revenue and earnings growth rates,
projected market
         penetration rates, discount rates, etc. The level of detail provided
must be sufficient
         enough for an investor to understand the reasonableness of the
assumptions underlying the
         projections as well as the inherent limitations on the reliability of
projections in order to
         make informed investment decisions. To the extent that these
projections assume changes
         in your historical operating trends, please revise your disclosure to
address why the
         projected changes in trends are appropriate and why the assumptions
underlying these
         projected changes are reasonable. In addition, in light of your
limited commercial
         experience with your Platform and your launch of tests, ensure you
fully explain how you
         arrived at your revenue projections. If you assessed the probability
of regulatory/technical
         success, ensure you provide such details.
Comparable M&A Transaction Analysis, page 122

10.      Please revise your disclosure to explain why CAH compared "Implied EV
to LTM
         Revenue" from the comparable companies in this analysis to EV to
expected revenue
         metrics, rather than to LumiraDx's "Implied EV to LTM Revenue."
Business of LumiraDx, page 150

11.      We note your response to prior comment 17. Please revise within this
section, as
         appropriate, to discuss the nature of LumiraDx's arrangement with NHS
for the delivery of
         POC tests.
Note 3. Accounting for the Merger , page 204

12.      You disclose that as CAH does not meet the definition of a business in
accordance with
         IFRS 3 (   Business Combinations   ), the transaction will be
accounted for within the scope
         of IFRS 2 (   Share-based Payment   ). As such, the fair value of
LumiraDx shares
         transferred to CAH shareholders in excess of the net assets of CAH
will be recorded in
         Selling, Marketing and Administrative expenses. We see such adjustment
in Note
         6. Adjustments to Unaudited Pro Forma Condensed Combined Statement of
Operations
         for the Year Ended December 31, 2020. However, under the caption,
Anticipated
         Accounting Treatment, on page 126 you disclose that any difference
between the fair
 Ron Zwanziger
LumiraDx Limited
June 28, 2021
Page 4
      value of LMDX common shares and the fair value of CAH's identifiable net
assets will be
      recorded as additional paid-in capital, in accordance with IFRS 2. With
reference to the
      specific guidance in IFR2, please confirm your accounting and revise your
disclosures
      accordingly.
Note 5. Adjustments to Unaudited Pro Forma Condensed Combined Balance Sheet as
of
December 31, 2020, page 205

13.   Please expand note 5(e) and 5(m) to address the underlying accounting for
both the public
      and private placement warrants as a result of the IPO and the Merger.
Also, clarify how
      you determined the $7,493 adjustment and indicate the impact the
remaining warrant
      liability may have on future operating results.
14.   We note the revision made to pro forma adjustment 5(f) in response to
comment
      18 includes a reference to a 2.625766662:1 Subdivision. However, we note
elsewhere in
      your filing that the February 1, 2021 Subdivision was 220:1 and that the
2.625766662 is
      the LMDX Conversion Factor. Please clarify and expand your disclosure to
quantify the
      historical LMDX ordinary and common shares outstanding as of December 31,
2020, the
      additional shares issued as a result of the Subdivision and/or Conversion
Factor and the
      number of shares shares issued upon the conversion of the outstanding
series A and B
      preferred shares to arrive at the pro forma shares of LMDX ordinary and
common shares.
      Please consider a tabular presentation for ease of understanding.
       You may contact David Burton at 202-551-3626 or Jeanne Baker at
202-551-3691 if you
have questions regarding comments on the financial statements and related
matters. Please
contact Alan Campbell at 202-551-4224 or Celeste Murphy at 202-551-3257 with
any other
questions.



                                                          Sincerely,
FirstName LastNameRon Zwanziger
                                                          Division of
Corporation Finance
Comapany NameLumiraDx Limited
                                                          Office of Life
Sciences
June 28, 2021 Page 4
cc:       Edwin M. O   Connor
FirstName LastName