id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
cord-343941-nfdplszh	Wong, Lai-yi	A herbal formula for prevention of influenza-like syndrome: A double-blind randomized clinical trial	2013-04-02		.txt	text/plain	2757	156	53	OBJECTIVE: To investigate the efficacy of a herbal formula in the prevention of influenza or influenza-like syndrome among elderies residing in old-people's home in Hong Kong. METHODS: In ten old people's home or community centres in New Territories, Hong Kong, 740 eligible subjects agreed to join the study and were randomized to receive a herbal formula or a placebo on alternate days over 8 weeks. RESULTS: Seventy-two participants developed influenza-like-symptoms but none of them was proven influenza in their nasopharyngeal swabs, 40 of these patients belonged to the herbal group and 32 to the placebo group, without significant differences between groups. The primary objective of the study was to investigate the efficacy of the herbal preparation previously used for the prevention of SARS against endemic influenza among a group of at risk elderly people. In each old-age home or elderly centre the participants were randomized separately within the vaccinated group or non-vaccinated group to receive either herbal preparation or placebo.	./cache/cord-343941-nfdplszh.txt	./txt/cord-343941-nfdplszh.txt