Story continues"This particular variant is estimated to be 50% to 70% more transmissible than previous variants, leading to surges in cases," Martin said. California first detected the B.1.1.7 variant Dec. 30 in San Diego County. The county topped out at about 3,600 new coronavirus cases a day for the seven-day period that ended Jan. 12. Dining locations comprised about 20% of confirmed community outbreaks over the last 10 months, according to San Diego County. 2 source of coronavirus outbreaks in San Diego County.
