As Americans sit down to a turkey dinner Thursday, there is yet another thing to be thankful for: turkeys.

With a powerful avian flu spreading around the globe, chickens and ducks destined for dinner tables in several countries are being destroyed. China alone has killed more than 10 million birds in a so-far unsuccessful effort to control the spread of the virus.

The bird flu has killed at least 67 people in Asia, but for now it does not spread between humans and has not entered the United States.

Can you be sure that your Thanksgiving turkey is safe? Yes, officials say, but as always you need to cook it right.

"While avian flu has been observed in people and birds on other continents, it isn't something for Americans to get overly concerned about now," says Mike Hulet, associate professor of poultry science at Penn State. "Avian flu hasn't even entered this country, but even if it had, as long as a turkey is properly cooked, there is nothing to worry about. That goes for all bacteria and viruses."

Virus-free for now

To date, there have been no cases of the current avian flu strain (called H5N1) detected in birds in the United States. Nor have any other avian flu strains that could potentially morph into a human variety been found this year. No poultry from countries with confirmed cases of the highly infectious strains can be imported into the United States.

Were one to somehow slip past the monitoring system and into your kitchen, there is still little to worry about. The avian flu virus can't be passed to humans who eat properly cooked poultry, according to the USDA.

The few dozen human deaths in Asia from bird flu in recent months were caused by improper handling of infected birds or equipment, scientists say.

Be clean

Proper handling and cooking of poultry provides protection against this virus, as it does against many viruses and bacteria, including salmonella and e.coli. A good-quality food thermometer is an important tool for anyone who cooks poultry, experts say.

Here are the USDA recommendations:

— Wash hands before and after handling food.

— Keeping raw meat, poultry, fish, and their juices away from other food.

— After cutting raw meats, wash hands, cutting board, knife, and counter tops with hot, soapy water.

— Sanitize cutting boards by using a solution of 1 teaspoon chlorine bleach in 1 quart of water.

— Use a food thermometer to ensure food has reached the proper temperature. Cook whole birds to 180 degrees Fahrenheit; breasts to 170 degrees; drumsticks, thighs and wings to 180 degrees; and a minimum oven temperature of 325 degrees.

What about next year?

Savor this year's turkey. Because there is no guarantee that next year, when the avian flu could reach the United States, will be so simple.

Other strains of bird flu have forced destruction of U.S. poultry in the past. The three most significant events:

— 1924: Contained to East Coast live bird markets.

— 1983-84: About 17 million chickens, turkeys, and guinea fowl in the northeastern United States were destroyed.

— 2004: Outbreak in chickens in the southern United States was quickly eradicated and limited to one flock.

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