SAN DIEGO—The number of San Diegans testing positive for influenza increased by 34 percent over the previous week, but cumulative case numbers are still fewer than the five-year average, the San Diego County Health and Human Services Agency reported Dec. 22. For the week ending Saturday, a total of 191 lab-confirmed flu cases were reported in the region, compared to the prior week when 143 influenza infections were identified. “More influenza cases are expected for this time of the year since more people are getting together and they’re gathering indoors,” said Dr. Wilma Wooten, county public health officer. “Protect yourself and your loved ones. Get vaccinated now.” The county’s seasonal total stands at 862 cases, while the five-year average for this time of year is 961. Last year at this time, the number of flu cases was just 44. Every Wednesday during flu season, the Health and Human Services Agency publishes the Influenza Watch weekly report, which tracks key flu indicators and …