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COVID-19 in Peru: two of the three cases of BA.2 are mother and son residents of Lima Este, reveals INS

Lima, February 14, 2022Updated on 02/14/2022 02:28 pm

The National Institute of Health (INS) of the Ministry of Health (Minsa) confirmed that three cases of the BA.2 sublineage of the Ómicron variant of concern have been detected in Peru. He explained that two people are relatives who reside in East Lima.

Through a releasethe entity indicated that as a product of genomic surveillance On February 11, two cases were identified for the first time corresponding to the descendant lineage BA.2.

MORE INFORMATION | COVID-19 in Peru: biologist confirms three cases of BA.2, the Ómicron subvariant

It was learned that both patients are relatives (91-year-old mother and 61-year-old son), from Lima Este. Neither of them had received any dose of the vaccine against the coronavirus (COVID-19), however, they have not required hospitalization and are being monitored at home.

Meanwhile, the Universidad Peruana Cayetano Heredia (UPCH) also reported a case identified by its laboratory, adding 3 cases of the BA.2 descendant lineage.


According to the INS, the presence of the BA.2 descendant lineage has increased rapidly in many European countries and it is thought that it could gradually replace the other descendant lineages, since it is considered slightly more transmissible than the original Omicron lineage.

At the moment, it is unknown if BA.2 would represent a problem for public health systems in the world. Apart from its greater transmissibility, there is no evidence that it is associated with more hospitalizations, deaths, or greater immune escape compared to the original omicron variant.

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To date, in the world, 4 descendant lineages of Ómicron are recognized called: BA.1, BA.1.1, BA.2 and BA.3. Of which BA.1 is so far the most frequent in the international GISAID database (https://www.epicov.org/).

In addition, 1,550 Ómicron genomes have been sequenced in Peru since its detection in the country in mid-December 2021, of which the vast majority correspond to BA.1.

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