About 55 lineages of Covid circulating in Nigeria — NCDC

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The Nigeria Centre for Disease Control (NCDC) has declared that there are about 55 lineages of the SARS-COV-2, the virus that causes COVID-19, currently circulating in the country.

The agency made this known to the public in yesterday, noting that the lineages are changing rapidly, and are significant of the effects of community transmission of the coronavirus.

“As at February 14 2021, there are about 55 different lineages of SARS-CoV-2 known to be circulating in Nigeria and they are changing rapidly. The diversity of SARS-CoV-2 strains indicate multiple introductions of the virus into Nigeria from different parts of the world and adds to evidence of community transmission in different states of Nigeria,” the statement reads.

The  World Health Organisation (WHO), which has identified at least 145 lineages across Africa,  explains the differences between mutations, variants, and lineages.

“Viruses whose genetic sequences differ are called variants. Variants with a few mutations belong to the same lineages. Lineages are important for showing how a virus spreads through communities or populations. Strictly speaking, a variant is a strain when it has a different characteristic,” a statement by WHO reads.

The NCDC also clarified concerns regarding the new Nigerian variant of COVID-19, discovered in the UK, stating that while it is not yet a variant of concern, further analysis is ongoing.

Described as the B1525, a report by researchers at the University of Edinburg, traces the earliest discovery of the variant to December 29, 2020.

But NCDC noted that the first case of B1525 was detected in a sample collected on November 23, 2020, from a patient in Lagos state.

It added that the Nigerian variant has also been discovered in Denmark, Australia, Canada, France, among others.

According to the agency, so far, 30 cases of  B1525 have been confirmed in five states across Nigeria.

“On the 11th of February, some recent SARS-CoV-2 genomes were seen to have distinct mutations and characterised as a new variant B.1.525.  As at the 17th of February, these have been reported from United Kingdom (44), Denmark (35), Nigeria (30), United States of America (12), Canada (5), France (5), Ghana (4), Australia (2), Jordan (2), Singapore (1), Finland (1), Belgium (1) and Spain (1),” NCDC said.

“The first detected B.1.525 case in Nigeria was in a sample collected on the 23rd of November from a patient in Lagos State. So far, this has been detected among cases in five states in Nigeria.

“B.1.525 cases have also been reported in other countries in travelers from Nigeria. Currently, there is no evidence to indicate that in Nigeria. Therefore, B.1.525 is a new strain, but not yet a variant of concern and further analysis is ongoing.”

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