POWER OF ATTORNEY

Know all by these presents, that the undersigned, Farah Champsi, hereby
constitutes and appoints each of Christopher Visioli and Christopher T. Cox
signing singly, the undersigned's true and lawful attorney in fact to:

1.     prepare, execute in the undersigned's name and on the undersigned's
       behalf, and submit to the United States Securities and Exchange
       Commission (the "SEC") a Form ID, including amendments thereto, and any
       other documents necessary or appropriate to obtain codes and passwords
       enabling the undersigned to make electronic filings with the SEC of
       reports required by Section 16(a) of the Securities Exchange Act of 1934
       or any rule or regulation of the SEC;

2.     execute for and on behalf of the undersigned Forms 3, 4, and 5 in
       accordance with Section 16(a) of the Securities Exchange Act of 1934 and
       the rules thereunder and any other forms or reports the undersigned may
       be required to file in connection with the undersigned's ownership,
       acquisition, or disposition of securities of POPULATION HEALTH INVESTMENT
       CO., INC.;

3.     do and perform any and all acts for and on behalf of the undersigned
       which may be necessary or desirable to complete and execute any such Form
       3, 4, or 5, or other form or report, and timely file such form or report
       with the SEC and any other authority; and

4.     take any other action of any type whatsoever in connection with the
       foregoing which, in the opinion of such attorney-in fact, may be of
       benefit to, in the best interest of, or legally required by, the
       undersigned, it being understood that the documents executed by such
       attorney-in-fact on behalf of the undersigned pursuant to this Power of
       Attorney shall be in such form and shall contain such terms and
       conditions as such attorney-in-fact may approve in such attorney-in-
       fact's discretion.

The undersigned hereby grants to each such attorney-in-fact full power and
authority to do and perform any and every act and thing whatsoever requisite,
necessary, or proper to be done in the exercise of any of the rights and powers
herein granted, as fully to all intents and purposes as the undersigned might or
could do if personally present, with full power of substitution or revocation,
hereby ratifying and confirming all that such attorney-in-fact, or the
substitute or substitutes of such attorney-in-fact, shall lawfully do or cause
to be done by virtue of this power of attorney and the rights and powers herein
granted. The undersigned acknowledges that the foregoing attorneys-in-fact, in
serving in such capacity at the request of the undersigned, are not assuming,
nor is POPULATION HEALTH INVESTMENT CO., INC. assuming, any of the undersigned's
responsibilities to comply with Section 16 of the Securities Exchange Act of
1934.


This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file Forms 3, 4, and 5 with respect to the
undersigned's holdings of and transactions in POPULATION HEALTH INVESTMENT CO.,
INC. securities, unless earlier revoked by the undersigned in a signed writing
delivered to any of the foregoing attorneys-in-fact; provided, however, that
this Power of Attorney shall immediately terminate as to any of the foregoing
attorneys-in-fact when such attorney-in-fact ceases to hold the position of
either (1) Corporate Secretary, (2) attorney, or (3) General Counsel or
Assistant General Counsel of POPULATION HEALTH INVESTMENT CO., INC.



IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be
executed as of this 17th day of November, 2020.


/s/ Farah Champsi
-------------------------
Farah Champsi