But in Nova Scotia, for instance, less than 50 per cent of people have received the flu vaccine.
Another 18 adults reportedly have severe cases of influenza, while a 6-year-old girl is critically ill with severe paediatric influenza, according to the Department of Health.
State health officials are warning Pennsylvanians that flu season is in full swing. Last year's season was thought to have been particularly rough.
According to the CDC, flu activity is high in Alabama, Arizona, Colorado, Georgia, Illinois, Indiana, Kansas, Kentucky, Louisiana, Massachusetts, Mississippi, Nevada, New Jersey, New Mexico, Oklahoma, South Carolina, Texas, Utah and Virginia.
Cover your nose and mouth with a tissue when you cough or sneeze, then throw away the tissue and wash your hands.
So far, 8 people in Pennsylvania have died from the flu this season. The more vaccinated people there are, the less potential there is for flu to circulate, she explains.
"We are starting to see an upward trend in cases being reported", said Jenny Galbraith, immunization surveillance coordinator at the North Dakota Department of Public Health.
In this Wednesday, Feb. 7, 2018 file photo, a nurse prepares a flu shot at the Salvation Army in Atlanta.
Unfortunately, doctors say there is no one sure fire way to prevent anyone from getting the flu, but a vaccine and some good practices can keep you from getting stuck on the couch.
The dominant flu strain this year is H1N1 - the same virus that was declared a pandemic by the World Health Organization in 2009 after it caused hundreds of thousands of deaths around the world. The majority of those cases have been the specific H1N1 strain. If you do get sick, please stay home until you're much better.
Four flu-related pediatric deaths were reported during week 51, bringing the total to seven pediatric deaths during the current flu season.
With significant flu still to come this season, CDC continues to recommend that anyone who has not yet gotten a flu vaccine this season should get vaccinated now.