The latest San Diego county data show flu cases surged by nearly 500 in two weeks. The county recorded 1,927 cases on Jan. 24. By Feb. 7, that number climbed to 2,414.
Health officials said influenza A continues to circulate, but influenza B is becoming more prominent.
“(Influenza B) is thought to be slightly more contagious than our regular influenza strains, especially this subclade K,” said Dr. Anuja Vyas, a Sharp HealthCare pulmonologist…