A new sub-variant of Omicron detected in California a few weeks ago is now proliferating in Europe and Asia, and Los Angeles County health officials worry that the new strain could lead to a new COVID surge in the county. BA.2, known as the “Stealth Omicron,” is one of the four Omicron sub-variants. The recent COVID transmission is primarily led by the Omicron BA.1 variant but now BA.2 is rapidly spreading in many countries including the United Kingdom, Denmark, India, and Singapore, according to Memorial Sloan Kettering Cancer Center. The BA.2 variant was first identified in Los Angeles County in late January and now accounts for 27.7 percent of overall COVID cases in California and about 23.1 percent in the nation, according to the Centers for Disease Control and Prevention (CDC). “So, my assumption is: It’s here. It’s likely to increase. I see no reason why it won’t, in fact, …