British airlines have increased restrictions on suspected swine flu carriers. British Airways, along with Virgin Atlantic, have told check-in staff to alert doctors if any passengers show signs of the virus.Britain is the worst-hit country in Europe with 55,000 new cases reported last week. The new stringent checks come as group of 52 British students and teachers are in quarantine after four of them tested positive for the H1N1 virus in Bejing. The World Health Organisation has stopped collecting figures on the numbers infected, while the EU claims that 60 million people across the 27-nation bloc may require priority vaccination. The pandemic shows no sign of slowing, with Egypt reporting its first death on Sunday. New cases have also been confirmed in Morocco and Russia. To date around 430 people across the globe have died as result of the flu.