Evolution of a 72-Kilobase Cointegrant, Conjugative Multiresistance Plasmid in Community-Associated Methicillin-Resistant Staphylococcus aureus Isolates from the Early 1990s.

Horizontal transfer of plasmids encoding antimicrobial resistance and virulence determinants has been instrumental in evolution, including the emergence of community-associated methicillin-resistant (CA-MRSA). In the early 1990s, the first CA-MRSA strain isolated in Western Australia (WA), WA-5, encoded cadmium, tetracycline, and penicillin resistance genes on plasmid pWBG753 (∼30 kb). WA-5 and pWBG753 appeared only briefly in WA; however, fusidic acid resistance plasmids related to pWBG753 were also present in the first European CA-MRSA isolates at the time.

Complete Genome Sequence of a Staphylococcus aureus Sequence Type 612 Isolate from an Australian Horse.

Staphylococcus aureus is a serious pathogen of humans and animals. Multilocus sequence type 612 is dominant and highly virulent in South African hospitals but relatively uncommon elsewhere. We present the complete genome sequence of methicillin-resistant Staphylococcus aureus strain SVH7513, isolated from a horse at a veterinary clinic in New South Wales, Australia.

Oral health status and access to dental care for ohio head start children.

Purpose: The purpose of this survey were to assess the dental caries prevalence rate among children enrolled in Ohio's Head Start programs and assess factors relating to their dental care access.

Methods: Oral screenings were conducted on 2,555 children, ages 3 through 5 years, at 50 Ohio Head Start centers using probability-proportional-to-size sampling. In addition, parental responses to 6 access-oriented questions on the consent form were analyzed.