FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL OMB Number: 3235-0287 Expires: January 31, 2005 Estimated average burden hours per response... 0.5

(Print or Type Responses)

1. Name and Address of Reporting Person * TAMERIUS JOHN   2. Issuer Name and Ticker or Trading Symbol QUIDEL CORP /DE/ [QDEL] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) SVP - Clinical/Reg Affairs (Last) (First) (Middle) 10165 MCKELLAR COURT 3. Date of Earliest Transaction (Month/Day/Year) 02/24/2014 (Street) SAN DIEGO, CA 92121 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 02/25/2014   S   24,464 D $ 27.566 (1) 32,019 D   Common Stock 02/26/2014   M   8,891 A $ 12.63 40,910 D   Common Stock 02/26/2014   M   13,891 A $ 15.28 54,801 D   Common Stock 02/26/2014   S   22,782 D $ 27.8187 (2) 32,019 D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
	Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.		SEC 1474 (9-02)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Non-Qualified Stock Options

$ 27.57

02/24/2014

A

21,068

(3)

02/24/2024

Common Stock

21,068

$ 0

21,068

D

Restricted Stock Units

(4)

02/24/2014

A

961

(5)

(5)

Common Stock

961

$ 0

961

D

Non-Qualified Stock Options

$ 12.63

02/26/2014

M

8,891

03/02/2013

03/02/2021

Common Stock

8,891

$ 0

16,109

D

Non-Qualified Stock Options

$ 15.28

02/26/2014

M

13,891

01/18/2014

01/18/2020

Common Stock

13,891

$ 0

4,630

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
TAMERIUS JOHN 10165 MCKELLAR COURT SAN DIEGO, CA 92121			SVP - Clinical/Reg Affairs

Signatures

Robert J. Bujarski, attorney-in-fact for John Tamerius		02/26/2014
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	The weighted average sale price for these transactions was $27.566 per share, with a range of $27.69 to $27.50 per share. Upon request, the Reporting Person hereby understakes to provide to staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder, the full information regarding the number of shares sold at each separate price.
(2)	The weighted average sale price for these transactions was $27.8187 per share, with a range of $27.72 to $27.97 per share. Upon request, the Reporting Person hereby understakes to provide to staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder, the full information regarding the number of shares sold at each separate price.
(3)	10,534 shares will vest on the second anniversary date of the grant date, February 24, 2016. 5,267 shares will vest on the third anniversary date of the grant date, February 24, 2017. 5,267 shares will vest on the fourth anniversary date of the grant date, February 24, 2018.
(4)	Each restricted stock unit represents the right to receive one share of Quidel Corporation common stock.
(5)	480 shares will vest on the second anniversary date of the grant date, February 24, 2016. 240 shares will vest on the third anniversary date of the grant date, February 24, 2017. 241 shares will vest on the fourth anniversary date of the grant date, February 24, 2018.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.