Nickie
18-08-2011, 01:00
Mosquitoes can rapidly develop resistance to bed nets treated with insecticide, a new study from Senegal suggests.
More... (http://www.bbc.co.uk/go/rss/int/news/-/news/health-14560771)
More... (http://www.bbc.co.uk/go/rss/int/news/-/news/health-14560771)