Sure a vaccine can save lives and eradicate disease and are very useful for this, however
What else can they do?
The programs in Africa and elsewhere are masked as philanthropy and providing health services for poor Africans. In reality they involve involuntary population sterilization via vaccination and other medicines that make women of child-bearing age infertile. …
http://foodfreedomgroup.com/2012/10/10/is-the-cdcs-mandated-vaccine-schedule-a-health-disguised-compulsory-sterilization-program-by-william-davies/The picture becomes clearer when we learn that our Rockefeller-friend John D. the Third back in the 1950's also began advocating that all vaccines should have added Mercury. That served a tripple purpose: Mercury works as a preservative. It can help the chemical industry get rid of a highly toxic waste product (just like Fluoride in toothpaste did). And, most important, the Mercury is absorbed in our body, is not automatically excreted and has various toxic effects.
http://rense.com/general79/vaxcc.htmMicrosoft founder Bill Gates told a recent TED conference, an organization which is sponsored by one of the largest toxic waste polluters on the planet, that vaccines need to be used to reduce world population figures in order to solve global warming and lower CO2 emissions.
http://www.prisonplanet.com/bill-gates-use-vaccines-to-lower-population.html"Using WHO-recommended technologies like Gas Chromatography (GC) and Radio-Immuno assay, Dr. Kaita, upon analysis, found evidence of serious contamination. "Some of the things we discovered in the vaccines are harmful, toxic; some have direct effects on the human reproductive system,"
http://www.axiomatica.org/revealing-the-matrix/eugenicsdepopulation/1037-vaccines-as-depopulation-tools Recombinant birth control vaccine
United States Patent 5733553
http://www.freepatentsonline.com/5733553.htmledit.
https://www.youtube.com/watch?v=wB0FOjzvjiA 
