The form dates back nearly as early as epic, with such authors as Archilocus and Simonides of Ceos from early in the history of Greece. The first great elegiac poet of the Hellenistic period was Philitas of Cos: Augustan poets identified his name with great elegiac writing. One of the most influential elegiac writers was Philitas' rival Callimachus, who had an enormous impact on Roman poets, both elegists and non-elegists alike.
Extensively drug-resistant TB (XDR TB) is a rare type of multidrug-resistant tuberculosis (MDR TB) that is resistant to isoniazid and rifampin, plus any fluoroquinolone and at least one of three injectable second-line drugs (i.e., amikacin, kanamycin, or capreomycin).rug-resistant TB (MDR or XDR) is more common in people who: 1  Do not take their TB medicine regularly. 2  Do not take all of their TB medicines as prescribed by their doctor. 3  Develop TB disease again, after having taken TB medicine in the past.
Human parainfluenza viruses (HPIVs) are the viruses that cause human parainfluenza. HPIVs are a group of four distinct single-stranded RNA viruses belonging to the Paramyxoviridae family. These viruses are closely associated with both human and veterinary disease.