Bethlehem - Ma'an - The British newspaper "Mirror" quoted scientific reports confirming the existence of a new strain of the Corona virus that is likely to be "more difficult to stop" as its immunity to current vaccines increases. This strain is called FLiRT, and it is believed to constitute 25% of coronavirus cases in the United States currently. For its part, the Daily Star website reported that there is another mutant known as KP.1.1, which represents 7.5% of Corona cases in the United States, amid fears of its spread around the world. In this context, a spokesman for the US Centers for Disease Control and Prevention said: 'Viruses are constantly changing through mutations, and sometimes these mutations lead to a new type of virus. Some changes and mutations allow the virus to spread more easily or make it resistant to treatments and vaccines. With the spread The virus may mutate and become difficult to stop.' Source: Maan News Agency