From 1206995a67b49a628c822145d73d3d5119ed4498 Mon Sep 17 00:00:00 2001
From: "David A. Madore" <david+git@madore.org>
Date: Tue, 8 Sep 2020 17:01:56 +0200
Subject: Link to BMJ editorial re underestimating seroprevalence.

---
 covid19-links.md | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/covid19-links.md b/covid19-links.md
index 99eaec6..95c6677 100644
--- a/covid19-links.md
+++ b/covid19-links.md
@@ -102,6 +102,13 @@
 
 ## Topical or time-specific links: ##
 
+* [Are we underestimating seroprevalence of
+  SARS-CoV-2?](https://www.bmj.com/content/370/bmj.m3364) (*British
+  Medical Journal* editorial, 2020-09-03).  Emphasizes the fact that
+  SARS-CoV-2 seroprevalence studies show considerable variation and
+  may underestimate true seroprevalence; and encourages testing for
+  IgA antibodies.
+
 * [Humoral Immune Response to SARS-CoV-2 in
   Iceland](https://www.nejm.org/doi/full/10.1056/NEJMoa2026116) (NEJM,
   2020-09-01).  Conclusion: “Our results indicate that antiviral
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