Two new strains of coronavirus spread across the United States

coronavírus

BA.4 and BA.5 were first detected in South Africa earlier this year

EFE/EPA/Zoltan BaloghThe number of cases of coronavirus in the United States has increased

Two relatively new types of Omicron strains coronavirus, BA.4 and BA.5I have been gaining base in recent weeks United States of america, at a time when the country has practically returned to normalcy, but which coincides with a rise in contagion. According to the Centers for Disease Control and Prevention (CDC), BA.4 and BA.5 – are responsible for the increase in infections South Africa Already represent 13% of cases in the United States – during the months of April and May. A week ago, these variants accounted for only 6% of cases; And a month ago, they were barely present in the country, suggesting that their spread is taking place at a much faster rate. response coordinator COVID-19 White House chief Ashish Jha said in an interview with NBC that he estimates that by late summer or early fall, they will be the most common form of coronavirus in the country. These types, first detected in South Africa in early 2022, are more contagious than other strains of Omicron and have a greater ability to evade the immune system, although they have not yet been shown to cause more severe disease.

*With EFE information

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About the author: Cory Weinberg

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