(Encore episode.) The coronavirus is all over the headlines these days. Accompanying those headlines? Suspicion and harassment of Asians and Asian Americans. Our colleague Gene Demby, co-host of NPR's Code Switch podcast, explains that this is part of a longer history in the United States of camouflaging xenophobia and racism as public health and hygiene concerns. We hear from historian Erika Lee, author of "America For Americans: A History Of Xenophobia In The United States."LEARN MORE:Check out Code Switch's full digital story and podcast episode.And here's a collection of NPR's coverage on the rise in violence against Asian Americans. Erika Lee's book "America for Americans: A History of Xenophobia in the United States"As always, reach out to the show by emailing shortwave@npr.org.