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.
1 If your logical test contains the AND function, Microsoft Excel returns TRUE if all the conditions are met; otherwise it returns FALSE. 2  OR function. 3  In case you use the OR function in the logical test, Excel returns TRUE if any of the conditions is met; FALSE otherwise.. To test many conditions, use the LOOKUP, VLOOKUP, INDEX/MATCH or CHOOSE functions. 2. Use IF with logical functions OR / AND, as demonstrated in the above examples. 3. Use the CONCATENATE function or the concatenate operator (&).