Why does bird flu always start in china

Comics Music. Filed under: Report Science. Why is China a hot zone for the deadliest strains of bird flu? New, 56 comments. Linkedin Reddit Pocket Flipboard Email. Next Up In Science. Sign up for the newsletter Verge Deals Subscribe to get the best Verge-approved tech deals of the week. Just one more thing! Please confirm your subscription to Verge Deals via the verification email we just sent you. Email required. By signing up, you agree to our Privacy Notice and European users agree to the data transfer policy.

Loading comments CDC does not have any new or special recommendations for the U. CDC will keep you updated. Stay informed. Since Asian H7N9 is not spreading easily from person to person at this time, CDC does not recommend that people delay or cancel trips to China. The World Health Organization also is watching this situation closely and does not recommend any travel restrictions. CDC advises travelers to China to take some common sense precautions, like not touching birds and washing hands often.

Poultry and poultry products should be fully cooked. CDC will update its advice for travelers if the situation in China changes. View and download H7N9 Images. Get Email Updates. To receive email updates about this page, enter your email address: Email Address. What's this? Fast growth in poultry, pigs From the early s to the early s, per capita consumption of meat, eggs and milk grew about 50 percent in developing countries, leading to big increases in animal herds.

Over the last 25 years, the fastest growth has been in the numbers of chickens and pigs, the FAO says. And climate may play a role. Scientists are convinced the Asian flu and Hong Kong flu pandemics originated in Asia, but there is much debate about where the biggest killer of them all — the Spanish flu pandemic — came from.

Crowded conditions That flu, which killed an estimated 40 million to 50 million people, was so named because the king of Spain got it, not because it originated in Spain. There were , soldiers on any one day there, and they raised chickens, geese and possibly pigs for food, Oxford said.

Those conditions mimic what naturally occurs in Asia. Listing these separately is misleading as H5N1 is the scientific name for bird flu avian influenza. The first human infection was reported in in Hong Kong, with outbreaks continuing through here here. The U. However other sources state that the outbreak began in the Guizhou province of southwestern China here here.