16 January 2012
Last updated at 02:17
The Olympic Games will see an influx of people to London, from around the world.
Mass gatherings, such as the London 2012 Olympics, can be a hotbed of diseases from across the world, public health experts have warned.
They say it can have consequences for the host nation and for people when they return to their own countries.
There are
No comments:
Post a Comment