A health official refuted a rumor which said pork in Beijing has been contaminated by a virus that can cause pyogenic encephalitis.(File photo)

Zhao Chunhui, deputy head of the bureau, refuted a rumor spread via cell phone text messages which said "Don't eat pork! Pork in Beijing has been contaminated by a virus that can cause pyogenic encephalitis."

"It's simply not true," said Zhao.

Zhao also refuted a rumor that the presidents of major hospitals in Beijing had held an emergency meeting on the issue.

"Pork sold in Beijing has to meet strict standards. It is perfectly fit for consumption," said Zhao.