Officials at Tomah Memorial Hospital have treated its first case of influenza marking the start of the flu season. Hospital infection Preventionist Jan Path said even though the season has begun there is still time to protect yourself from the illness.  In addition to the flu shot, Path said it is important to stop the spread of germs by not touching your face, washing your hands before eating and coughing into your sleeve. She also urged people with chronic illnesses, senior citizens and the very young, especially children under the age of three to seek medical attention if they suffer flu-like symptoms. While most cases of flu occur thru February, Path said the season can extend into March and April.  Last year was one of the most serious influenza seasons on record in Wisconsin with more than seven-thousand residents hospitalized and an additional 379 deaths.