A lab leak can’t be ruled out yet, but experts still say Covid most likely came from an animal. POLITICO’s Lauren Morello explains why. Plus, California is handing out $116.5 million in vaccine incentives. And Senate Democrats pan Republicans’ latest infrastructure counteroffer.

Lauren Morello is a deputy health care editor for POLITICO.
Jeremy Siegel is a host for POLITICO Dispatch.
Irene Noguchi is the executive producer of POLITICO audio.
Jenny Ament is the senior producer of POLITICO audio.

Read more: Dems back growing calls for Congress to probe Covid lab leak theory

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Why the lab leak theory is unlikely