What is Zoster Vaccine Live (Shingles Vaccine), and how does it work (mechanism of action)? Zoster vaccine contains live, attenuated (weakened) varicella-zoster virus (VZV). Varicella-zoster causes chickenpox and then becomes dormant in nerves.
To make the 2013 exam more helpful, we've replaced individual tasks with comprehensive, project-based testing. This live-in-the-application environment confirms that certified individuals have demonstrated the ability to complete a realistic Microsoft Office Specialist Excel 2013 project.
Match across rows. If you want to compare two ranges or columns, and want to count matches at the row level (i.e. only count matches when the same item appears in the same position), you'll need a different formula. Excel Formula Training. Learn Excel formulas and functions with concise, clear videos.