A vaccine called Tdap is similar to DTaP. A single dose of Tdap is recommended for people 11 through 64 years of age. Another vaccine, called Td, protects against tetanus and diphtheria, but not pertussis. It is recommended every 10 years.
What is a THM file? THM files are small images that are usually used on the Internet for clip art and in online image galleries or image galleries that are contained on a user's hard drive or camera. These images are commonly referred to as thumbnails. They are also created by a variety of photo and video editing applications.
What is a VHD file? VHD is an acronym for Virtual Hard Disk. Files that have the .vhd file extension contain disk images that are used by the Microsoft Virtual Server. The VHD file stores data within an individual file and acts in the same was as a physical hard disk. VHD files are commonly used to install multiple operating systems on a single hard drive and to test various software applications. The .vhd file extension is also used with the Windows Vista operating system for backups of a user's PC. These VHD files can be used to restore individual directories on a user's computer or the entire computer hard drive if needed.