1 Select the indented volume name of your startup disk from the left side of the Disk Utility window, then click the Erase tab. 2  If you want to securely erase the drive, click Security Options. 3  Select an erase method, then click OK. 4  From the Format pop-up menu, select Mac OS Extended (Journaled).
More than 95% of adults (aged >20 years) born in the United States have immunity to varicella, the vast majority due to primary VZV infection, known as varicella (or chickenpox). Reactivation of latent VZV results in herpes zoster (or shingles). A personâs lifetime risk for herpes zoster is 15% to 20%, with the highest incidence occurring in the elderly and immunocompromised individuals.
A dose of varicella vaccine has 1,350 plaque forming units (PFUs) of varicella vaccine virus, MMRV contains 9,800 PFUs (7 times higher than varicella vaccine), and zoster vaccine contains 19,400 PFUs (14 times higher than varicella vaccine).