France says it will ask the European Union to suspend all flights going to Mexico at a meeting of EU health ministers tomorrow.
The US, Canada and the EU are among those already advising against non-essential travel to Mexico and numerous companies have imposed their own restrictions.
The production of face masks has also been stepped up in numerous countries to cope with the huge demand.
There is also increasing debate over the naming of the flu. It is actually a mix of swine, avian and human flu and many countries say calling it “swine flu” is inaccurate and could harm the pork industry. The US wants it to be called H1N1 flu; others suggest Mexican or North American flu.