--WHO: No licensed swine flu vaccine til end of year
--67 Air Force cadets stricken with swine flu...
--STUDY: New flu resembles 1918 virus...
--Study: 1918 flu survivors seem immune to swine flu
--Swine flu 'unstoppable', all countries will need vaccine...
--A sore throat ... and 48 hours later Chloe was dead: Swine flu kills healthy girl aged six and a doctor
--2 more swine flu patients die in Philippines+
--Baby who lost mother to swine flu dies in Spain
--Swine flu deaths in Britain double; Health experts warn of epidemic in London 'within days'...
--Parts of Britain 'near an H1N1 epidemic'; 14 dead...
--Swine flu summit: Gov't checks on state readiness
--Argentine businesses struck by swine flu...
--Argentines question government as flu spreads...
--CDC: US swine flu cases rise to nearly 34,000
--Swine Flu sparks prison riot in Boston...