id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
cord-008764-j9qmw4zy	nan	Chapter 1 The need for chemotherapy and prophylaxis against viral diseases	2008-05-29		.txt	text/plain	6399	273	47	We shall examine the methods developed for the prevention of measles, influenza, polio and rotaviruses later on (Chapters 8, 7, 4 and 9, respectively) but it may be mentioned here that live polio vaccines used so successfully in industrialized countries are much more difficult to apply successfully in third world countries where problems of vaccine administration, heat lability control and viral interference become very important. The greatest challenges and probably the most difficult and medically important areas for prophylaxis and therapy of viral diseases are those viruses which are rapidly changing in antigenic composition and/or viruses with animal reservoirs (influenza and arboviruses) and also those forming latent infections (herpesviruses). The greatest challenges and probably the most difficult and medically important areas for prophylaxis and therapy of viral diseases are those viruses which are rapidly changing in antigenic composition and/or viruses with animal reservoirs (influenza and arboviruses) and also those forming latent infections (herpesviruses).	./cache/cord-008764-j9qmw4zy.txt	./txt/cord-008764-j9qmw4zy.txt