Hi captain77,
I agree, they've sort of muddied the waters by putting in the
parenthesis "(STD, similar to syphilis and herpes)". It's always more
difficult to prove something that doesn't exist versus something that
does. Our first clue is that Syphilis is listed but Herpes is not.
Moving onward, we can do a bit of research to try and find out just
how "similar" Chancroid and Herpes are to each other.
According to the CDC (Center for Disease Control), the Communicable
Diseases of Public Health Significance currently include:
1. Tuberculosis
2. Human Immunodeficiency Virus (HIV) Infection
3. Syphilis
4. Chancroid
5. Gonorrhea
6. Granuloma Inguinale
7. Lymphogranuloma Venereum
8. Hansen's Disease (Leprosy)
http://www.cdc.gov/ncidod/dq/diseases.htm
If you had seen this list rather than the one at the USCIS website, I
don't think you would've felt so frustrated because clearly, Herpes is
not listed although other STDs are.
Chancroid and Herpes are two very different diseases although both are
STDs. Chancroid is caused by a bacteria and is uncommon in the United
States, whereas, Herpes is a virus and is very common in the United
States.
CHANCROID
"Chancroid ( human genital ulcer disease) is an STD caused by exposure to:
* Haemophilus ducreyi (a small gram-negative rod organism) which
occurs mainly in developing countries, especially the African, Asian
and Latin American nations. "
"Chancroid is a bacterial disease causing painful, irregularly shaped
sores, but is a localized infection which can be treated and cured and
has no long-term effects. "
Treatment: antibiotics
HERPES SIMPLEX VIRUS (HSV)
"Herpes is a sexually transmitted disease (STD) caused by the herpes
simplex virus (HSV)."
"Genital herpes infection is very common and on the increase in the
United States. Nationwide 45 million people aged 12 and older (1 out
of 5 of the total adolescent and adult population) are infected with
HSV-2."
The Herpes Virus - 2 types, both are viral
HSV-type 1
* causes fever blisters on the mouth or face (oral herpes)
HSV-type 2
* typically affects the genital area (genital herpes)
Treatment: antiviral medication
http://herpes-coldsores.com/std/chancroid.htm
CHANCROID
"Background: Chancroid is a sexually transmitted disease (STD)
characterized by painful ulcers and painful regional lymphadenopathy.
While the disease is uncommon in industrialized nations, it is a
frequent cause of genital ulcer disease in developing countries. In
some areas of the US, chancroid is endemic, and it is known to occur
in discrete outbreaks.
In the US: The peak incidence of chancroid occurred in 1987 when 5,035
cases were reported to the Centers for Disease Control and Prevention
(CDC). The number of cases has declined steadily since then, with 773
cases reported in 1994."
Causes: Chancroid is an STD caused by exposure to H ducreyi.
Antibiotic Treatment"
http://www.emedicine.com/EMERG/topic95.htm
HERPES SIMPLEX
"The herpes simplex viruses comprise 2 distinct types, HSV-1 and HSV-2.
# In the US: Approximately 70-90% of adults have antibodies to HSV-1,
whereas antibodies to HSV-2 are found in approximately 22% of the
population.
# In sexually transmitted disease (STD) clinics, HSV-2 seropositivity
approaches 40-50%."
Antiviral drugs.
http://www.emedicine.com/EMERG/topic246.htm
So, although they are both STDs (that is, transmitted sexually), the
diseases are actually quite different and I think we can infer that if
Herpes isn't named on CDC' list, then it is not considered to be a
"Communicable Diseases of Public Health Significance". Unfortunately,
there is not an opposing list titled "These are Not Considered to be
Communicable Diseases of Public Health Significance".
I hope this is what you were hoping for. If this doesn't satisfy your
request, or if you have any questions, please post a clarification
request *before* closing/rating my answer and I'll be happy to reply.
Thank you,
hummer
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