News at Seven-Thirty highlights: swine flu continues to spread around the world; Hospital Authority has a decease contigency plan against swine flu; precautionary measures are in place at the airport and border checkpoints; WHO has called for greater vigilance among nations; U.S. has declared public health emergency; swine flu virus has already claimed more than 100 lives; China announced a ban on the import of pork and pork products from Mexico and 3 U.S states; Sri Lankan government has stopped using heavy weapons in its war against Tamil Tiger rebels; Deposit Protection Board proposes to raise the existing bank deposit protection ceiling by 5 times; the truck driver involved in the fatal collsion with a taxi faces 6 more charges of manslaughter; probate hearing into the legal battle over Nina Wang’s estate continued; value of goods exported from HK in March fell by over 21 percent.