Readers ask about antibody tests, chimeras and public health and privacy

Antibody mysteries

Antibody tests can help reveal who has been infected with the coronavirus, but the tests don’t say whether the antibodies protect against future infections, Erin Garcia de Jesus reported in “So many questions on antibody testing” (SN: 6/6/20, p. 22).

Reader Bob Reckers asked if antibodies for cold-causing coronaviruses, which are detectable by the coronavirus antibody tests, could bind to the coronavirus.