flu virus

The flu virus is easily passed from one person to the next.

This is because the flu virus changes slightly every year.

He became the first American to isolate human flu virus.

Every year, 5 to 20 percent of the American population catches a flu virus.

Symptoms are similar to those of the regular flu virus.

More recently, flu virus was isolated from a child in Colorado.

These medicines have not worked against most types of the flu virus.

Flu viruses change quickly, so each year scientists make a new vaccine.

Most cold and flu viruses are spread by direct contact.

Usually bird flu virus is not passed from birds to people.

But most bird flu viruses do not jump species to people.

The flu virus itself is gone, vanished with the epidemic.

This medication works by stopping the flu virus from growing.

Cold and flu viruses enter your body through the eyes, nose, or mouth.

As the flu viruses change each year, the past vaccine become ineffective.

"Some types of flu virus are just more deadly than others," he said.

But after five days, the risk of spreading the flu virus reduces.

The second death due to the swine flu virus has been reported.

The second, and in some ways even more remarkable, thing about the 1918 flu virus is that it has literally been brought back to life.

But some of these patients actually had bacterial pneumonia, not the flu virus.

Officials there have also said that the flu virus found is not harmful to humans.

Learn how to keep your flu virus to yourself - and avoid sharing it with others.

First things first: cold and flu viruses are not the same thing.

In Wiltshire, a doctor has died from the flu virus.

Could a flu virus once more lay waste millions of healthy people?