Los Angeles Mayor Eric Garcetti said Thursday that five of the city’s COVID-19 vaccine sites will close Friday and Saturday due to a lack of supplies. “We’re vaccinating people faster than new vials are arriving here in Los Angeles,” he said at a Feb. 11 briefing. “And I’m very concerned right now” that the vaccine supply is “uneven” and “unpredictable,” he added. Garcetti said that 293,252 vaccine doses have been administered in Los Angeles to date, with the average daily number of vaccinations totaling 13,051, which is a 27 percent increase over the prior week. Some 98 percent of vaccines delivered have already been administered. “That’s a number I’ve pushed our people very hard [on], to not sit on vaccines, to not waste a single dose and to make sure that we are doing everything we can to get that day where something new opens, that day when the economy …