Most identifiersin the Java(TM) programming environment have either class or local scope. Instance and classvariables and methods have class scope; they can be used outside the class and its subclasses onlyby prefixing them with an instance of the class or (for class variables and methods) with the classname.
Acyclovir was the first successful antiviral agent in the world. It was originally synthesized in 1974 by Howard Schaeffer at Wellcome Research Laboratories (now GlaxoSmithKline).
antiviral. 1. effective against viruses. 2. an agent effective against viruses. antiviral drugs. may be useful in early stages of some virus infections or to prevent recurrences or reactivation in chronic infections. Most drugs exert their effects only during certain stages of viral replication and many are relatively toxic for the host when used systemically.