West Africa faced the COVID-19 pandemic in early March 2020 and, as of March 31, 2022,
had more than 900,000 confirmed cases and more than 12,000 deaths. During this period …

The COVID-19 pandemic is one of the fastest evolving pandemics in recent history. As such,
the SARS-CoV-2 viral evolution needs to be continuously tracked. This study sequenced …

Genomic surveillance of SARS-CoV-2 is important for understanding both the evolution and
the patterns of local and global transmission. Here, we generated 311 SARS-CoV-2 …

Tuberculosis (TB), an airborne infectious disease caused by Mycobacterium tuberculosis
complex (MTBC), remains a global health problem. West Africa has a unique epidemiology …

Abstract Countries of the World Health Organization (WHO) African Region have
experienced a wide range of coronavirus disease 2019 (COVID-19) epidemics. This study …

Africa accounts for 1.5% of the global coronavirus disease 2019 (COVID-19) cases and
2.7% of deaths, but this low incidence has been partly attributed to the limited testing …

Background: We set out to estimate the community-level exposure to severe acute
respiratory syndrome coronavirus 2 (SARS-CoV-2) in Ghana. Methods: Phased …

In this study, we analyzed 340 whole genomes of SARS-CoV-2, which were sampled
between April and November 2020 in 33 cities of Rio Grande do Sul, South Brazil. We …

High-throughput sequencing techniques and sequence analysis have enabled the
taxonomic classification of pathogens present in clinical samples. Sequencing provides an …

The D614G variant of SARS-CoV-2 S-protein emerged in early 2020 and quickly became
the dominant circulating strain in Europe and its environs. The variant was characterized by …