Sentence examples for exist to date from inspiring English sources
Infections by protozoa are a major worldwide health problem, and no vaccines or efficacious treatments exist to date.
No data presently exist to date directly either the timing of passive margin formation or the subsequent shortening phase.
No data exist to date on the effects of Pm on mucosal barrier dysfunction, systemic bacterial translocation (BT), endotoxaemia and apoptosis.
Numerous studies have been performed aiming at the evolvement of reliable mathematical formulas that would satisfactorily describe this behaviour, but no universally accepted solution seems to exist to date.
While much prior research has focused upon how the Technology Transfer Offices (TTOs) and other contextual characteristics shape the level of university spinoffs (USO), there is little research on entrepreneurial potential among individual academics, and to the best of our knowledge, no comparative studies with other types of spinoffs exist to date.
No commercial-scale VAPEX projects exist to date.
Nevertheless, the possibility exists to date different geomorphological processes by applying different dating methods to glacigenic deposits.
Moreover, no publication exists to date combining exposure to HBCDs via both diet and dust.
No specific treatment exists to date for patients with myotubular myopathy.
Despite these promising results and generally low cost of the ELISA assays, it is astounding that no published report exists to date documenting clinical implementation.
In fact, no evidence exists to date that any retrovirus is capable of biological transmission by arthropods (Webb et al. 1989; Foil and Issel 1991; Kuno 2004; Kuno and Chang 2005).
