Tolerance.ca
Director / Editor: Victor Teboul, Ph.D.
Looking inside ourselves and out at the world
Independent and neutral with regard to all political and religious orientations, Tolerance.ca® aims to promote awareness of the major democratic principles on which tolerance is based.

Study Reveals Chink in Polio Vaccine’s Armor

A mutated polio virus that slipped through vaccine defenses caused an unusually lethal outbreak in the Republic of Congo in 2010, according to a new study.  An intensive vaccination campaign was able to stop the virus.  But the authors say their research shows new and dangerous strains may emerge as polio eradication nears, and high rates of vaccination are the best available protection. Weaker vaccine Polio usually paralyzes its victims. It is not typically...


Read complete article

© Voice of America -
Subscribe to Tolerance.ca


Follow us on ...
Facebook Twitter