Exhibit 4.2

NUMBER

______C

SHARES

HEALTH SCIENCES ACQUISITIONS CORPORATION
INCORPORATED UNDER THE LAWS OF THE STATE OF DELAWARE
COMMON STOCK

		SEE REVERSE FOR CERTAIN DEFINITIONS

*This Certifies that*		CUSIP 42227C 102
*is the owner of*

FULLY PAID AND NON-ASSESSABLE SHARES OF THE PAR VALUE OF $0.0001 EACH
OF THE COMMON STOCK OF

HEALTH SCIENCES ACQUISITIONS CORPORATION

transferable on the books of Health Sciences Acquisitions Corporation, a Delaware corporation (the “Corporation”) in person or by duly authorized attorney upon surrender of this certificate properly endorsed. The Corporation will be forced to liquidate if it is unable to complete an initial business combination within the period of time as set forth in the Corporation’s Amended and Restated Certificate of Incorporation, as the same may be amended from time to time, all as more fully described in the Corporation’s final prospectus dated , 2019

This certificate is not valid unless countersigned by the Transfer Agent and registered by the Registrar.

Witness the facsimile seal of the Corporation and the facsimile signatures of its duly authorized officers.

Dated:

CHAIRMAN	[INSERT SEAL HERE]	CHIEF EXECUTIVE OFFICER

The following abbreviations, when used in the inscription on the face of this certificate, shall be construed as though they were written out in full according to applicable laws or regulations:

TEN COM	-	as tenants in common	UNIF GIFT MIN ACT-			Custodian

TEN ENT	-	as tenants by the entireties			(Cust)		(Minor)
JT TEN	-	as joint tenants with right of survivorship	under Uniform Gifts to Minors
		and not as tenants in common	Act
				(State)

Additional abbreviations may also be used though not in the above list.

Health Sciences Acquisitions Corporation

The Corporation will furnish without charge to each stockholder who so requests the powers, designations, preferences and relative, participating, optional or other special rights of each class of stock or series thereof of the Corporation and the qualifications, limitations, or restrictions of such preferences and/or rights. This certificate and the shares represented thereby are issued and shall be held subject to all the provisions of the Corporation’s Amended and Restated Certificate of Incorporation and all amendments thereto and resolutions of the Board of Directors providing for the issue of shares of Common Stock (copies of which may be obtained from the secretary of the Corporation), to all of which the holder of this certificate by acceptance hereof assents.

For value received, hereby sell, assign and transfer unto

PLEASE INSERT SOCIAL SECURITY OR OTHER

IDENTIFYING NUMBER OF ASSIGNEE

(PLEASE PRINT OR TYPEWRITE NAME AND ADDRESS, INCLUDING ZIP CODE, OF ASSIGNEE)

shares

of the capital stock represented by the within Certificate, and do hereby irrevocably constitute and appoint

		Attorney
to transfer the said stock on the books of the within named Corporation will full power of substitution in the premises.

Dated_____________


	Notice:	The signature to this assignment must correspond with the name as written upon the face of the certificate in every particular, without alteration or enlargement or any change whatever.

Signature(s) Guaranteed:


THE SIGNATURE(S) SHOULD BE GUARANTEED BY AN ELIGIBLE GUARANTOR INSTITUTION (BANKS, STOCKBROKERS, SAVINGS AND LOAN ASSOCIATIONS AND CREDIT UNIONS WITH MEMBERSHIP IN AN APPROVED SIGNATURE GUARANTEE MEDALLION PROGRAM, PURSUANT TO S.E.C. RULE 17Ad-15).

The holder(s) of this certificate shall be entitled to receive a pro-rata portion of the funds from the trust account only in the event that (i) the Corporation is forced to liquidate because it does not consummate an initial business combination within the period of time set forth in the Corporation’s Amended and Restated Certificate of Incorporation, as the same may be amended from time to time (the “Charter”) or (ii) if the holder seeks to convert his shares upon consummation of, or sell his shares in a tender offer in connection with, an initial business combination or in connection with certain amendments to the Charter. In no other circumstances shall the holder(s) have any right or interest of any kind in or to the trust account.