China News Service, August 6. According to the US Chinese website, according to the US Centers for Disease Control and Prevention (CDC) data, the new coronavirus Omicron subtype variant BA.5 strain has become the most important strain in the United States. , accounting for about 86% of recent cases.

  According to reports, the US Centers for Disease Control and Prevention pointed out that as of July 30, patients infected with the Omicron BA.5 strain accounted for about 85.5% of the total number of recent cases.

  There are several common symptoms following infection with the BA.5 strain, particularly persistent cough, nasal congestion, and sore throat.

  Another prominent symptom is extreme fatigue, especially in young people.

Sergio Segarra, chief medical officer at Baptist Hospital in Miami, said, "This fatigue often makes patients feel like they can't get out of bed or climb a flight of stairs. The fatigue can last up to two weeks."

  The loss of taste and smell, which was common after infection with the new coronavirus, has become less common.

  Lauren Ferrante, a pulmonologist at Yale University, said there were fewer hospitalizations with the BA.5 strain, as well as fewer cases of severe lung injury and reactive pneumonia.

  "In general, BA.5 is more moderate," Ferrante said.

  However, the BA.5 strain has a stronger transmission ability, and can even infect vaccinated people, as well as people who have been infected with the new crown before.

  Segara also said, "BA.5 is more contagious than previous strains."

  The Omicron BA.5 strain was first identified in South Africa and first appeared in the United States in June.