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Diseases » Diseases contagious from saliva » Prevalence

Prevalence and Incidence of Diseases contagious from saliva

Contents

Prevalance of types of Diseases contagious from saliva:

For details see prevalence of types of Diseases contagious from saliva analysis; summary of available prevalence data:

Epstein-Barr virus: as many as 20% of people carry the virus in their throats
Cold sores: estimated 50 to 80% of Americans have HSV-1
Cytomegalovirus: 50% approximately; almost half of young adults (NIAID)
Molluscum contagiosum: Common.
Hepatitis B: estimated 1.5 million HBV carriers in the U.S. (NWHIC); 417,000 people currently infected (CDC 2001)
Chronic Hepatitis B: 750,000 people in the United States (NIAID)
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Incidence of types of Diseases contagious from saliva:

For details see incidence of types of Diseases contagious from saliva analysis; summary of available incidence by type data:

Common Cold: 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: 36 per 100 (NHIS96); 35 million annually up to 50 million annually (NIAID/CDC); 10-20% yearly (NIAID)
meningitis: approximately 25,000 cases of bacterial meningitis annually in USA; 206 annual cases in Victoria 1996 (DHS-VIC)
Hepatitis B: 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)
Polio: 0 annual cases of paralytic poliomyelitis notified in USA 1999 (MMWR 1999)
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About prevalence and incidence statistics:

The term 'prevalence' of Diseases contagious from saliva usually refers to the estimated population of people who are managing Diseases contagious from saliva at any given time. The term 'incidence' of Diseases contagious from saliva refers to the annual diagnosis rate, or the number of new cases of Diseases contagious from saliva diagnosed each year. Hence, these two statistics types can differ: a short-lived disease like flu can have high annual incidence but low prevalence, but a life-long disease like diabetes has a low annual incidence but high prevalence. For more information see about prevalence and incidence statistics.