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Periodic Graphics

Periodic Graphics: A guide to COVID-19 testing

Chemical educator and Compound Interest blogger Andy Brunning captures the current state of diagnostics for novel coronavirus infection.

by Andy Brunning, special to C&EN
June 25, 2020 | A version of this story appeared in Volume 98, Issue 25


Andy Brunning/C&EN
Andy Brunning/C&EN

To download a pdf of this article, visit

References used to create this graphic:

Satyanarayana, Megha. “COVID-19 Antigen Tests Have Landed in the US, but Not Everyone Is Rushing Out to Get Them.” C&EN (June 2, 2020).

Satyanarayana, Megha. “COVID-19 Antibody Tests Are Raising as Many Questions as They Answer.” C&EN (June 3, 2020).

Service, Robert F. “The Standard Coronavirus Test, if Available, Works Well—but Can New Diagnostics Help in This Pandemic?”Science (March 22, 2020). DOI: 10.1126/science.abb8400.

US Food and Drug Administration. “Coronavirus (COVID-19) Update: Daily Roundup June 18, 2020.” Accessed June 20, 2020.

Weissleder, Ralph, Hakho Lee, Jina Ko, and Mikael J. Pittet. “COVID-19 Diagnostics in Context.”Science Translational Medicine(June 3, 2020). DOI: 10.1126/scitranslmed.abc1931.

Wu, Eugene. “Antigen Tests for COVID-19 Are Fast and Easy—and Could Solve the Coronavirus Testing Problem despite Being Somewhat Inaccurate.”The Conversation (May 29, 2020).

A collaboration between C&EN and Andy Brunning, author of the popular graphics blog Compound Interest

To see more of Brunning’s work, go to To see all of C&EN’s Periodic Graphics, visit



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