This is because HAART does not attack latently infected HIV cells, which can reactivate. The virus moves to the nerve cells from where it can reactivate. Sofosbuvir may reactivate hepatitis B in those who have been previously infected. However, he was able to reactivate it later. After a period of dormancy, they reactivate and produce merozoites. However the squadron will reactivate to become an F-35C squadron. Mechanisms can more finely control the system and stop and reactivate it. When the environment becomes more favorable, the endospore can reactivate itself to the vegetative state. HbF induction is an attempt to reactivate fetal globin gene transcription. Eventually Frost decided to transplant part of her own brain to reactivate Jean's power. But now Cavil uses the resurrection technology to reactivate Biers. The deadlock experienced in this period caused to seek ways to reactivate national defence industry. The vaccine-strain VZV can reactivate later in life and cause shingles. Overclockers have managed to reactivate the second core and overclock the processor. Union Pacific Railroad does have plans to reactivate this line sometime in the future.