The drugs in question -- Sovaldi and Harvoni from Gilead Sciences, Viekira Pak from AbbVie Inc., and Zepatier from Merck & Co., among others â eliminate the hepatitis C virus over 90% of the time, a cure rate almost double that of earlier therapies.
Examples. There are two types of native species, indigenous and endemic. Indigenous species are native species that are found in multiple locations, whereas endemic species are only found in a specific, unique location.We often find endemic species in geographically isolated areas such as islands.efinition. You may not be living in the same place you were born, or even the same place you grew up. But you likely still call that place 'home.' Like you, other plant and animal species may live far from where they originated. Those that do live in the same place they are originally from are called native species.
Introduced species. An introduced species (or exotic species) is an organism that has been introduced into an ecosystem where it does not occur naturally. The introduced species competes with the other organisms for food and they unbalance the food web of an ecosystem.