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Document and Entity Information	12 Months Ended
	Dec. 31, 2023
Cover [Abstract]
Document Type	DEFA14A
Amendment Flag	true
Entity Registrant Name	DYNAVAX TECHNOLOGIES CORPORATION
Entity Central Index Key	0001029142
Amendment Description	Amendment No.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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