KGO ABC World News Tonight With David Muir April 18, 2020 00:41:00
Was a surreal sight in this parking lot. >> marcus moore tonight. we appreciate those stories and we'll stay on it every night. there are new results in tonight, the world health organization saying it does not have proof that the presence of antibodies means you will have immunity from this. even though that is of course the hope. they'll continue to study that. what we do know, though, is those antibodies show if you have been exposed to the virus. and there's also new results in on that. diane sawyer is back with a major antibody study in one county here in america, and what it could reve...
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