The Center for Disease Control reports this flu season will likely be the worst outbreak since the Swine Flu pandemic of 2009.
A representative with the hospital said all six patients had multiple co-morbidities. To find a flu shot near you go to this website.
Oklahoma is one of several states reporting widespread influenza activity, with children being especially hit hard.
Coryell Memorial Hospital and other clinics in the health care system had 395 positive flu tests in December, with the numbers as of January 30 showing 450 positive test results.
If you are healthy, Armacost says the first thing you need to do is get vaccinated.
"The vaccines either contain inactivated virus, meaning the viruses are no longer infectious, or a particle created to look like a flu virus to your immune system", he explained.
"Throughout the nation most states haven't even seen a peak of the influenza vaccine, so we are anticipating this flu season will last for another month or two", she said.
"Last year in the US, vaccine effectiveness for influenza A H3N2 was 34 percent, and there have been no significant mutations detected in this strain since the last season", King County Health Officer Dr. Jeff Duchin wrote in a blog post. "What we know is that every flu season needs to be taken seriously, and we all need to do our part to prevent the flu in our community".
Getting the vaccine doesn't offer full protection, but if you do get the flu it can lessen the severity. They also have encouraged teachers and custodians to stay studious in keeping rooms cleaned.
They recommend staying home from work, school and other public places if you are ill - at least 48 hours after you've been fever-free without the aid of medication. "If you're coughing, make sure you're coughing into a tissue, your elbow and really good hand-washing".
The state also urges people to frequently wash their hands, carry hand sanitizer with them when soap and water are not available, and avoid sneezing or coughing into their hands.
Be sure to clean and disinfect surfaces and objects that may be contaminated with germs.