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Volume 27, Number 12—December 2021
Research Letter

SARS-CoV-2 Sequence Analysis during COVID-19 Case Surge, Liberia, 2021

Bode Shobayo1, Mitali Mishra1, Stephen Sameroff, Alexandra Petrosov, James Ng, Alper Gokden, Jane MaCauley, Komal Jain, Courtney Renken, James Tanu Duworko, Moses Badio, Wilhemina Jallah, Lisa Hensley, Thomas Briese, W. Ian Lipkin, and Nischay MishraComments to Author 
Author affiliations: National Public Health Institute of Liberia, Monrovia, Liberia (B. Shobayo, J. MaCauley); Partnership for Research on Infectious Diseases in Liberia, Monrovia (B. Shobayo, C. Renken, J.T. Duworko, M. Badio, L. Hensley); Columbia University, New York, New York, USA (M. Mishra, S. Sameroff, A. Petrosov, J. Ng, A. Gokden, K. Jain, T. Briese, W.I. Lipkin, N. Mishra); National Institutes of Health, Bethesda, Maryland, USA (C. Renken, L. Hensley); Ministry of Health, Monrovia (W. Jallah)

Main Article


Characteristics of 77 clinical samples collected before and during COVID-19 case surge that yielded complete SARS-CoV-2 coding genomic sequences, Liberia, 2021

Month collected Total no. samples Patient sex, no. Average age, y (SD) County No. samples/ county SARS-CoV-2 variant, no. of samples/county/mo
Delta B.1.617.2 Alpha B.1.1.7 Beta B.1.351 Eta B.1.525 Iota B.1.526 20B other
Mar 4 2M, 2F 39.25 (6.05) Montserrado 3 1 1 1


Apr 11 10M, 1F 42.54 (11.52) Montserrado 10 4 1 3 2

Grand Cape Mount


May 18 9M, 9F 40.11 (16.82) Bong 1 1
Margibi 1
Montserrado 14 6 3 2 2 1


Jun 36 13M, 23F 39.22 (18.36) Lofa 5 5
Margibi 1 1
Maryland 1 1


Jul 8 4M, 4F 51.25 ( 9.71) Margibi 1 1
Montserrado 5 5
Nimba 2 2

*Liberia experienced a surge in COVID-19 cases during June 2021. Blank cells indicate no variants detected. COVID-19, coronavirus disease; SARS-CoV-2, severe acute respiratory syndrome coronavirus 2.

Main Article

1These first authors contributed equally to this article.

Page created: September 22, 2021
Page updated: November 21, 2021
Page reviewed: November 21, 2021
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