LONDON -- A leading British medical journal is asking the drugmaker Roche to release all its data on Tamiflu, claiming there is no evidence the drug can actually stop the flu.
The drug has been stockpiled by dozens of governments worldwide in case of a global flu outbreak and was widely used during the 2009 swine flu pandemic.
On Monday, one of the researchers linked to the BMJ journal called for European governments to sue Roche.
"I suggest we boycott Roche's products until they publish missing Tamiflu data," wrote Peter Gotzsche, leader of the Nordic Cochrane Centre in Copenhagen. He said governments should take legal action against Roche to get the money back that was "needlessly" spent on stockpiling Tamiflu.
Tamiflu is used to treat both seasonal flu and new flu viruses like bird flu or swine flu. WHO spokesman Gregory Hartl said the agency had enough proof to warrant its use for unusual influenza viruses, such as bird flu.
In 2009, the BMJ and researchers at the Nordic Cochrane Centre asked Roche to make all its Tamiflu data available.
In a statement, Roche said it had complied with all legal requirements on publishing data and provided Gotzsche and his colleagues with 3,200 pages of information to answer their questions.