Prevalence and Incidence of Insect sting allergies
Prevalance of Insect sting allergies:
3.3% (NIAID); up to 5% of the population (NHWIC) ... see also overview of Insect sting allergies.
Prevalance Rate:
approx 1 in 30 or 3.30% or 8 million people in USA [Source statistic for calcuation: "3.3% (NIAID); up to 5% of the population (NHWIC)" -- see also general information about data sources]
Insect sting allergies Prevalence: Book Excerpts
Prevalance of Insect sting allergies:
Allergy to venom of stinging insects (honeybees, wasps,
hornets, yellow jackets, and fire ants) is relatively common, with
prevalence of systemic reactions in American adults of 3.3
percent. (Source: excerpt from Allergy Statistics: NIAID)
Prevalence/Incidence of Insect sting allergies: Online Medical Books
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Review excerpts from medical books online, free, without registration,
for more information about the prevalence and/or incidence of Insect sting allergies.
Urticaria and angioedema:
Causes and incidence
(Professional Guide to Diseases (Eighth Edition))
Urticaria and angioedema are common allergic reactions that may occur in 20% of the general population. The causes of these reactions include allergy to drugs, foods, insect bites and stings and, occasionally, inhalant allergens (animal dander and cosmetics) that provoke an immunoglobulin (Ig) E-mediated response to protein allergens. However, certain drugs may cause urticaria without an IgE response. When urticaria and angioedema are part of an anaphylactic reaction, they almost always persist long after the systemic response has subsided. This occurs because circulation to the skin is the last to be restored after an allergic reaction, which results in slow histamine reabsorption at the reaction site.
Nonallergic urticaria and angioedema are also related to histamine release. External physical stimuli, such as cold (usually in young adults), heat, water, or sunlight, may also provoke urticaria and angioedema. Dermographism urticaria, which develops after stroking or scratching of the skin, occurs in as much as 20% of the population. Such urticaria develops with varying pressure, usually under tight clothing, and is aggravated by scratching.
Several different mechanisms and underlying disorders may provoke urticaria and angioedema. These include IgE-induced release of mediators from cutaneous mast cells; binding of IgG or IgM to antigen, resulting in complement activation; and such disorders as localized or secondary infections (such as respiratory infection), neoplastic diseases (such as Hodgkin’s disease), connective tissue diseases (such as systemic lupus erythematosus), collagen vascular diseases, and psychogenic diseases.
» READ BOOK EXCERPT ONLINE »
Source: Professional Guide to Diseases (Eighth Edition), 2005
Mammalian Bites:
Mammalian Bites - epidemiology
(The 5-Minute Pediatric Consult)
- Animal bites:
- Dogs are responsible for 90–95%, cats, 3–8%; rodents or rabbits, 1%; and raccoons and other animals, 1%.
- 90% of the offending animals are well known to the victim.
- Children are the most common victims.
- Boys are twice as likely as girls to be bitten by dogs; girls are more likely to be bitten by cats.
- Human bites:
- Incidence is unknown, due to lack of reporting.
- Most common in children ages 2–5 years.
- In older children, bites may occur accidentally during sports activities or intentionally during altercations or abusive situations.
Mammalian Bites - incidence
There are an estimated 4.5 million dog bites, 400,000 cat bites, and 250,000 human bites annually in the US.
» READ BOOK EXCERPT ONLINE »
Source: The 5-Minute Pediatric Consult, 2008
Snake and Insect Bites:
Snake and Insect Bites - epidemiology
(The 5-Minute Pediatric Consult)
- Only 15% of all snake bites are from poisonous snakes, and only ~2/3 of those involve true envenomation. Coral snake bites constitute <1% of all snake bites.
- The black widow spider is found in most areas of North America but especially in southern New England. The brown recluse spider is found mainly in southern and midwestern states.
- 1–4% of the US population is at risk for anaphylaxis from Hymenoptera stings.
Snake and Insect Bites - incidence
- Annually, about 8,000 people sustain a poisonous snake bite in the US, and 12–15 fatalities occur.
- The incidences of black widow and brown recluse spider bites are unknown, mainly due to the inability to identify the species of spider involved in the majority of cases.
- 50–150 people die each year from sting anaphylaxis.
>
» READ BOOK EXCERPT ONLINE »
Source: The 5-Minute Pediatric Consult, 2008
About prevalence and incidence statistics:
The term 'prevalence' of Insect sting allergies usually refers to the estimated population
of people who are managing Insect sting allergies at any given time.
The term 'incidence' of Insect sting allergies refers to the annual diagnosis rate,
or the number of new cases of Insect sting allergies 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.
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