FS Development Corp. II

900 Larkspur Landing Circle, Suite 150

Larkspur, California 94393

November 29, 2021

VIA EDGAR

Division of Corporation Finance

Office of Telecommunications

Securities and Exchange Commission

100 F Street, N.E.

Washington, D.C. 20549

Re:	FS Development Corp. II
	Amendment No. 4 to Registration Statement on Form S-4
	Filed on November 23, 2021
	Registration No. 333-258442

Ladies and Gentlemen:

Pursuant to Rule 461 of the General Rules and Regulations of the Securities and Exchange Commission promulgated under the Securities Act of 1933, as amended, FS Development Corp. II hereby respectfully requests that the effective date of the above-captioned Registration Statement on Form S-4, as amended (the “Registration Statement”) be accelerated to, and that the Registration Statement be declared effective at, 10:00 A.M., prevailing Eastern Time, on December 1, 2021, or as soon as practicable thereafter.

Please contact Joel Rubinstein (joel.rubinstein@whitecase.com / telephone: (212) 819-7642), Bryan J. Luchs (bryan.luchs@whitecase.com / telephone: (212) 819-7848) or Patti Marks (patti.marks@whitecase.com / telephone: (212) 819-7019) of White & Case LLP with any questions and please notify one or more of them when this request for acceleration has been granted.

[Signature Page Follows]

Sincerely,
FS Development Corp. II
By:	/s/ Dennis Ryan
Name:	Dennis Ryan
Title:	Chief Financial Officer

cc: Jim Tananbaum
(FS Development Corp. II)

Joel Rubinstein
Bryan Luchs
Patti Marks
(White & Case LLP)

Deepa M. Rich

Sam Zucker

James Xu

(Goodwin Procter LLP)

[Signature Page to S-4 Acceleration Request]