Department of the Navy

The different age-distribution of the mortality of the 1918 influenza from normal epidemics. Deaths by age at death, per 100,000 persons in each age group, United States, 1911–1918. Influenza death rates for the interpandemic years 1911–1917 (dashed line) and the pandemic year 1918 (solid line)

Novel H1N1 Hospitalization rates

• CDC, August 4, 2009

Novel H1N1 U.S. deaths

• CDC, August 4, 2009

Cold versus Flu Symptoms

Cold Symptoms

• Stuffy nose• Mild achiness• Chest congestion• Cough• 3-5 day duration

Influenza Symptoms

• Fever• Severe achiness• Dry Cough• Severe fatigue• Diarrhea and vomiting

possible (mostly in children)

Reported Signs & Symptoms of hospitalized H1N1 patients in the U.S.

Fever 249 (93%)Cough 223 (83%)Shortness of breath 145 (54%)Fatigue/Weakness 108 (40%)Chills 99 (37%)Myalgias 96 (36%)Rhinorrhea 96 (36%)Sore Throat 84 (31%)Headache 83 (31%)Vomiting 78 (29%)Wheezing 64 (24%)Diarrhea 64 (24%) • CDC, August 4, 2009

Routes of Infection

• Coughing

• Sneezing

• Touching contaminated surfaces

Prophylaxis• Cover your nose and mouth with a tissue when you cough or sneeze.

Throw the tissue in the trash after you use it.

• Wash your hands often with soap and water. If soap and water are not available, use an alcohol-based hand rub.

• Avoid touching your eyes, nose or mouth.

• Try to avoid close contact with sick people.

• Self-isolate - if you are sick with flu-like illness,. The CDC recommmends that you stay home for at least 24 h after your fever is gone, except to seek medical care.

• Notify student health services.

• Vacinnate – H1N1 and seasonal flu shot

Treatment

• Stay hydrated

• Reduce fever with NSAIDs

• Antivirals - Tamiflu

Lung biopsy fromArmed Forces Institute for

Pathology Archive

Brevig Mission, AK