What search engines do you use for science work?

Question

I'm doing a project on Haemophilus influenzae (group B) but I always find articles on vaccines instead. I've tried yahoo and google. These are the stuff I must find, but with little results. Could you help?? Any good sites to rec??

1.pathogenicity of the agent and infectious dose
2.natural route of infection
3.stability of agent in env
4.conc of e agent and volume of conc. Material to be manipulated
5.availability of suitable host
6.lab activity (eg sonication, aerosolisation, centrifugation)
7.any genetic manipulation of the organism that may extend its host range
8.local availability of effective prophylaxis

Answer 1

Okay, go to www.wwshs.org and click the library link at the top of the page. Then go to databases and when you are there, search on nettracker or electronic library for your info. It lets you do refined searches and blocks spam and ads. Good luck!