Disease | Incidence Estimate | US people estimate | Statistic Used for Calculation |
| Molluscum contagiosum |
N/A |
N/A |
No information
|
| HTLV |
N/A |
N/A |
No information
|
| HTLV-1 |
N/A |
N/A |
No information
|
| HIV/AIDS |
approx 1 in 6,800 or 0.01% or 40,000 people in USA |
40,000 |
approximately 40,000 annual cases in USA (NIAID)
|
| Human Papillomavirus |
approx 1 in 49 or 2.02% or 5.5 million people in USA |
5,499,999 |
5.5 million new cases (NIAID/American Social Health Association)
|
| Herpesvirus |
N/A |
N/A |
No information
|
| Herpes |
N/A |
N/A |
No information
|
| Genital herpes |
approx 1 in 544 or 0.18% or 500,000 people in USA |
499,999 |
500,000 new cases annually; 1 million annual cases (CDC 2001)
|
| Viral dysentery |
N/A |
N/A |
No information
|
| Categories of viruses by their structure: |
N/A |
N/A |
No information
|
| RNA virus |
N/A |
N/A |
No information
|
| DNA virus |
N/A |
N/A |
No information
|
| retrovirus |
N/A |
N/A |
No information
|
| Large category groups of viruses: |
N/A |
N/A |
No information
|
| herpesviruses |
N/A |
N/A |
No information
|
| arenavirus |
N/A |
N/A |
No information
|
| coronavirus |
N/A |
N/A |
No information
|
| enterovirus |
approx 1 in 27 or 3.68% or 10 million people in USA |
10,000,000 |
estimated 10-15 million cases annually in USA (DVRD)
|
| Common cold |
approx 1 in 4 or 22.79% or 62 million people in USA |
62,000,000 |
62 million cases (NIAID); 23.6 per 100 (NHIS96); estimated 1 billion colds in the USA annually; Children get 6-10 yearly, adults 2-4 yearly; over 60's less than 1 a year.
|
| Flu |
approx 1 in 3 or 36.00% or 97.9 million people in USA |
97,920,000 |
36 per 100 (NHIS96); 35 million annually up to 50 million annually (NIAID/CDC); 10-20% yearly (NIAID)
|
| Measles |
approx 1 in 2,720,000 or 0.00% or 100 people in USA |
99 |
100 cases annually (1998); once common, now greatly reduced by MMR vaccination programs; 100 annual cases notified in USA 1999 (MMWR 1999)
|
| Rubella |
approx 1 in 747,252 or 0.00% or 364 people in USA |
364 |
364 cases annually (1998); incidence greatly reduced by MMR vaccination programs
|
| Chicken pox |
approx 1 in 2,254 or 0.04% or 120,624 people in USA |
120,624 |
120,624 annually (1995); 46,016 annual cases notified in USA 1999 (MMWR 1999); 199.14 per 100,000 in Canada 20001
|
| Mumps |
approx 1 in 702,842 or 0.00% or 387 people in USA |
387 |
387 annual cases notified in USA 1999 (MMWR 1999); rare due to MMR vaccination
|
| Polio |
approx 1 in 0 or 0.00% or 0 people in USA |
0 |
0 annual cases of paralytic poliomyelitis notified in USA 1999 (MMWR 1999)
|
| Rabies |
approx 1 in 15,111 or 0.01% or 18,000 people in USA |
18,000 |
18,000 cases (of rabies shots rather than actual rabies)
|
| Mononucleosis |
N/A |
N/A |
No information
|
| Ebola |
N/A |
N/A |
No information
|
| Respiratory syncytial virus |
N/A |
N/A |
No information
|
| Dengue fever |
approx 1 in 2,720,000 or 0.00% or 100 people in USA |
99 |
about 100 to 200 cases annually in USA (NIAID)
|
| Yellow fever |
approx 1 in 272,000,000 or 0.00% or 1 people in USA |
1 |
1 annual case notified in USA 1999 (MMWR 1999)
|
| Lassa fever |
N/A |
N/A |
No information
|
| Arenaviruses |
N/A |
N/A |
No information
|
| Bunyavirus |
N/A |
N/A |
No information
|
| Filovirus |
N/A |
N/A |
No information
|
| Flavivirus |
N/A |
N/A |
No information
|
| Hantavirus |
approx 1 in 8,242,424 or 0.00% or 32 people in USA |
32 |
33 annual cases of Hantavirus pulmonary syndrome notified in USA 1999 (MMWR 1999)
|
| Rotavirus |
approx 1 in 90 or 1.10% or 3 million people in USA |
3,000,000 |
3 million cases in the USA each year.
|
| Viral meningitis |
approx 1 in 30,452 or 0.00% or 8,932 people in USA |
8,932 |
8,932 new cases in America 1995 (Meningitis Foundation of America, CDC, 1994)
|
| West Nile fever |
N/A |
N/A |
No information
|
| Arbovirus |
approx 1 in 1,000,000 or 0.00% or 272 people in USA |
272 |
0.1 new cases per 100,000 population of arbovirus infection was notified in Australia 2002 (Yohannes K, Roche P, Blumer C et al. 2004, Australia’s Health 2004, AIHW)
|
| Parainfluenza |
N/A |
N/A |
No information
|
| Chickenpox |
approx 1 in 2,254 or 0.04% or 120,624 people in USA |
120,624 |
120,624 annually (1995); 46,016 annual cases notified in USA 1999 (MMWR 1999); 199.14 per 100,000 in Canada 20001
|
| Smallpox |
approx 1 in 0 or 0.00% or 0 people in USA |
0 |
0 cases throughout the world.
|
| Epstein-Barr virus |
N/A |
N/A |
No information
|
| Dengue hemorrhagic fever |
N/A |
N/A |
No information
|
| Cytomegalovirus |
N/A |
N/A |
No information
|
| Infant Cytomegalic virus |
approx 1 in 45,333 or 0.00% or 6,000 people in USA |
6,000 |
6,000 babies
|
| Progressive Multifocal Leukoencephalopathy |
N/A |
N/A |
No information
|
| Viral gastroenteritis |
N/A |
N/A |
No information
|
| Acute Appendicitis |
approx 1 in 400 or 0.25% or 680,000 people in USA |
680,000 |
25 per 10,000 (age 10-17), 1-2 per per 10,000 (under 4)
|
| Hepatitis A |
approx 1 in 8,500 or 0.01% or 32,000 people in USA |
32,000 |
32,000 new cases in the USA 1992 (Digestive diseases in the United States: Epidemiology and Impact – NIH Publication No. 94-1447, NIDDK, 1994)
|
| Hepatitis B |
approx 1 in 1,359 or 0.07% or 200,000 people in USA |
200,000 |
200,000 to 300,000 new cases in the USA 1990 (Digestive diseases in the United States: Epidemiology and Impact – NIH Publication No. 94-1447, NIDDK, 1994)
|
| Chronic Hepatitis B |
N/A |
N/A |
No information
|
| Hepatitis C |
approx 1 in 1,813 or 0.06% or 150,000 people in USA |
150,000 |
150,000 new cases in the USA 1991 (Digestive diseases in the United States: Epidemiology and Impact – NIH Publication No. 94-1447, NIDDK, 1994)
|
| Chronic Hepatitis C |
N/A |
N/A |
No information
|
| Hepatitis D |
approx 1 in 3,885 or 0.03% or 70,000 people in USA |
70,000 |
70,000 new cases in the USA 1990 (Digestive diseases in the United States: Epidemiology and Impact – NIH Publication No. 94-1447, NIDDK, 1994)
|
| Hepatitis E |
approx 1 in 1,000,000 or 0.00% or 272 people in USA |
272 |
0.1 new cases per 100,000 population of Hepatitis E was notified in Australia 2002 (Yohannes K, Roche P, Blumer C et al. 2004, Australia’s Health 2004, AIHW)
|
| Hepatitis X |
N/A |
N/A |
No information
|
| Cold sores |
N/A |
N/A |
No information
|
| Ocular Herpes |
approx 1 in 5,439 or 0.02% or 50,000 people in USA |
50,000 |
50,000 new/recurrent cases per year, 25% have stromal keratitis
|
| Meningitis |
approx 1 in 10,879 or 0.01% or 25,000 people in USA |
25,000 |
approximately 25,000 cases of bacterial meningitis annually in USA; 206 annual cases in Victoria 1996 (DHS-VIC)
|
| Encephalitis |
N/A |
N/A |
No information
|
| Shingles |
approx 1 in 544 or 0.18% or 500,000 people in USA |
499,999 |
500,000 cases (NIAID)
|
| Pneumonia |
approx 1 in 56 or 1.76% or 4.8 million people in USA |
4,800,000 |
4.8 million annual cases (1996); 1.8 per 100 (NHIS96)
|
| Encephalitis, California serogroup viral |
approx 1 in 3,885,714 or 0.00% or 70 people in USA |
70 |
70 annual cases notified in USA 1999 (MMWR 1999)
|
| St. Louis encephalitis |
approx 1 in 68,000,000 or 0.00% or 4 people in USA |
4 |
4 annual cases notified in USA 1999 (MMWR 1999)
|
| Rift Valley Fever |
N/A |
N/A |
No information
|
| Hand, Foot, & Mouth Disease |
N/A |
N/A |
No information
|
| Hendra Virus |
N/A |
N/A |
No information
|
| Enteroviruses |
approx 1 in 27 or 3.68% or 10 million people in USA |
10,000,000 |
estimated 10-15 million cases annually in USA (DVRD)
|
| Astrovirus |
N/A |
N/A |
No information
|
| Adenoviruses |
N/A |
N/A |
No information
|
| Japanese encephalitis |
approx 1 in 272,000,000 or 0.00% or 1 people in USA |
1 |
1 case annually in USA (DVBID)
|
| Lymphocytic Choriomeningitis |
N/A |
N/A |
No information
|
| Roseola infantum |
N/A |
N/A |
No information
|
| Sandfly fever |
N/A |
N/A |
No information
|
| SARS |
N/A |
N/A |
No information
|
| Warts |
N/A |
N/A |
No information
|
| Cat scratch disease |
N/A |
N/A |
No information
|
| Slap-cheek syndrome |
N/A |
N/A |
No information
|
| Orf |
N/A |
N/A |
No information
|
| Pityriasis Rosea |
N/A |
N/A |
No information
|
| Lyssavirus |
N/A |
N/A |
No information
|
The medical term 'incidence' of Viral diseases usually refers
to the annual diagnosis rate of new cases of Viral diseases.
Prevalence is a different medical disease measure that refers
to the estimated population
of people who are managing Viral diseases at any given time (e.g. prevalence includes people who have had
a medical condition for a long time).
For more information on prevalence and incidence statistics, see about prevalence and incidence statistics.
What do you think about the features of this website?
Take our user survey and have your say:
Most of us are familiar with the symptoms of the flu—fever, chills, fatigue, stuffy nose, sore throat. Most of us know that it is caused by the...
Each year you hear about small outbreaks of meningitis. It is highly contagious and sometimes fatal. Learn why the classic symptoms of a high fever...
Adults may already know the new ways to avoid catching and spreading the flu. But you may need to teach these behaviors to kids. Listen to an...
Genital herpes remains one of the most prevalent sexually transmitted diseases, but most don't know they are infected. Learn how to stay safe and...