Parvovirus B19, which causes fifth disease in humans, is a member of the Erythrovirus genus of the Parvoviridae. Prior to 2014, it was also the name applied to a genus within the subfamily Parvovirinae, but this has been amended to genus Protoparvovirus to avoid confusion between taxonomic levels.
PVC redirects here. For other uses, see PVC (disambiguation). Polyvinyl chloride (/ËpÉlivaÉªnÉl ËklÉÉraÉªd/), more correctly but unusually poly(vinyl chloride), commonly abbreviated PVC, is the world's third-most widely produced synthetic plastic polymer, after polyethylene and polypropylene. PVC comes in two basic forms: rigid (sometimes abbreviated as RPVC) and flexible.
Thermoplastics admin 2015-09-24T17:29:36+00:00. Plastics fit into two categories â Thermoplastics and Thermosetting plastics. These two have different properties and therefore the type of plastic used depends on the use and product. â All the different types of plastic fall into the two categories above.hermoplastics admin 2015-09-24T17:29:36+00:00. Plastics fit into two categories â Thermoplastics and Thermosetting plastics. These two have different properties and therefore the type of plastic used depends on the use and product. â All the different types of plastic fall into the two categories above.