Docs clash over anti-vaccination freedom of speech

Doctors have clashed with civil libertarians who say that a campaign to deny an anti-vaccination campaigner a visa is an attack on freedom of speech.

Prominent doctors and scientists have rubbished the freedom of speech claims, instead supporting a push for the Federal Government to cancel the visa of US osteopath Dr Sherri Tenpenny (pictured) ahead of her speaking tour across the country.

At least five of the 11