On January 5, local time, according to a number of French media reports, on December 9 last year, the Mediterranean Institute of Infectious Diseases in Marseille, France, said that a new variant of the new coronavirus was found, the strain number is B.1.640.2, also known as the "IHU" strain. The strain contained 46 mutation points and 37 deletions.
The strain was first identified in a patient returning to France from the Congo. So far, the Mediterranean Institute of Infectious Diseases Medical and Teaching Research in Marseille has found a total of 12 cases of infection with this strain. Due to the small size of the sample, it is currently difficult to assess its infectivity and risk. The World Health Organization has listed the strain as a NEW CORONAVIRUS variant under observation.
![Delta + Omikeron = Delta Kerong? The researchers said a mixed strain was found, and 25 people have been infected[fig]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)