Prevalence

Infection with HHV-6 is most frequent at 6-12 months of age and HHV-7 is a little later at 6-24 months. More than

Fig. 1 Organization of viral genome. The viral genomes consist of linear double-stranded DNA with a central unique segment (U) and directly repeated sequences (DR) at each end. The DR encodes homologs of the herpesvirus cleavage and packing sequences pac-1 and pac-2. The terminal and junctional segments of the DRs contain human telomere repeats (TAACCC)n and variation in length maps to the left side of each DR regions (heterogeneous or Het region). (View this art in color at www.dekker.com.)

Fig. 1 Organization of viral genome. The viral genomes consist of linear double-stranded DNA with a central unique segment (U) and directly repeated sequences (DR) at each end. The DR encodes homologs of the herpesvirus cleavage and packing sequences pac-1 and pac-2. The terminal and junctional segments of the DRs contain human telomere repeats (TAACCC)n and variation in length maps to the left side of each DR regions (heterogeneous or Het region). (View this art in color at www.dekker.com.)

90% of adults are seropositive for HHV-6 and up to 90% for HHV-7 worldwide. The majority of pediatric infections in western populations are due to HHV-6B, but HHV-6A causes pediatric infections in nonwestern populations. Neurological diseases or infections in immunocompromised individuals are more often HHV-6A-related. Saliva is likely to be an important route of transmission especially for HHV-6B and HHV-7 with mother to child transmission.

Getting Started With Dumbbells

Getting Started With Dumbbells

The use of dumbbells gives you a much more comprehensive strengthening effect because the workout engages your stabilizer muscles, in addition to the muscle you may be pin-pointing. Without all of the belts and artificial stabilizers of a machine, you also engage your core muscles, which are your body's natural stabilizers.

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