1. Rio - home to the 2016 Olympics and a host city for the 2014 football World Cup - beat Greece as the most searched-for destination.
2. 5. Will China's migrant workers get permanent urban residence in 2010?
3. Men and women rated the strengths of their programme equally.
4. Isolated in northern China, this virus was similar to the virus that spread before 1957. For this reason, individuals born before 1957 were generally protected, however children and young adults born after that year were not because they had no prior immunity. By January 1978, the virus had spread around the world, including the United States. Because illness occurred primarily in children, this event was not considered a true pandemic. Vaccine containing this virus was not produced in time for the 1977-78 season, but the virus was included in the 1978-79 vaccine.