SAN FRANCISCO — Eight infants were exposed to tuberculosis at the neonatal intensive care unit of a Sacramento hospital, but health officials said Tuesday it’s unlikely the babies will contract the disease. The babies were doing well and weren’t exhibiting any symptoms of tuberculosis but will receive antibiotic treatment as a precaution, Sacramento County Public Health Officer Dr. Olivia Kasirye said. In addition, doctors will conduct follow-up tests in six months to see if the children are infected. The infants in the unit included babies born prematurely with breathing problems. Kasirye said the babies were exposed when someone visited the …