Herpangina

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Herpangina

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1) Season: Summer

2) Age: infant and toddlers

3) Course of illness:

fever and throat pain resolved few days or more longer.

Photo) Throat of Herpangina. Small vesicles appear in palate.

4) Etiology: Enterovirus

Photo) Electron-Micrograph of Enterovirus

------ Dr.Linda Stannard, University of Cape Town.

Any questions: write to Keiji Hagiwara, MD

keijihagiwara@gmail.com

Adenovirus infection in child (1-year-old & 6-year-old)

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Adenovirus infection in child(2)

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---------------- ☞ 1 year & 10 month-old girl:

|||||||||| April 5th 2004. fever & cough at morning.

|||||||||| 6th. came to Clinic. reddish white coated tonsil(+).

|||||||||| Rapid test for adenovirus(+).

|||||||||| 9th. fever fell down.

----------------- ☞ 6 year old girl (same patient as above).

|||||||||||||| But this time no so severe ----- may due to some immunity to adenovirus

|||||||||||||| March 4th, 2009. high fever & throat pain at evening. no cough.

|||||||||||||| Tonsil: red(+) pus(-).

|||||||||||||| adenovirus test (+).

|||||||||||||| March 7th. fever fell down.

1) Adenovirus: DNA virus. 47 serotype

-------- Dr. Linda Stannard, Department of Microbiology, University of Cape Town.

2) Season: winter ~ spring ~ early summer.

3) Age: 6 month old~ toddlers.

4) Transmission route: child to child.

||||||| ☞ close contact through droplets.

||||||| ☞ feces~oral route.

||||||| ------- Child with adenovirus infection have excreted its viruses in feces

|||||||-------  for long period( 2 weeks).

5) main site of infection: kindergarten.

6) incubation period: 2~14 days.

7) Type of diseases:

||||||| ☞ So many types of adenovirus have been circulating,

||||||| child may be 2, 3 or more times suffered from this virus.

||||||| But don't worry,your child gradually immune to this virus.

||||||| i) Pharingitis, Tonsillitis: common

||||||| ii) Acute bronchitis & pneumonia: infant, at risk in premature born baby.

||||||| iii) conjunctivitis & keratitis: common in summer.

||||||| iv) Acute gastroenteritis: serotypes 31, 40, 41.

||||||| v) Hemorrhagic cystitis: toddler ~ 10 year old.

||||||| vi) Pertussis(whooping cough ) like illness: rare.

Any questions: write to Keiji Hagiwara MD,

keijihagiwara@gmail.com

RS virus infection( 1-year & 7-month-old)

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RS virus infection in infant

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||||||||||||||| ☞ Case presentation:

|||||||||||||||| ------- 1 year 7 month-old boy (acute wheezing bronchitis).

||||||||||||| January 19th. started high fever & cough.

|||||||||||||||||||||||||||| 20th. severe cough with wheezing at night.

||||||||||||||||||||||||||||||||||||||| Rapid diagnostic test for RS virus(+).

|||||||||||||||| 25th. no fever. cough & wheezing continued.

|||||||||||||||| February 2th. still coughing.

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Respiratory Syncytial(=RS) virus: RNA virus

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------------ Linda Stannard, Department of Medical Microbiology, University of Cape Town.

2) Age: 6 month old ~ toddlers

3) Season: winter~ early spring.

4) Incubation period: 2~8 days

5) Transmission route: close contact with infected infants.

|||||||||||||||||||||||||||||||||||||||||||||droplets, aerosol inhalation.

6) Site of infections: kindergarten, child care centers

7) Type of diseases:

||||||||||||||| i) upper respiratory infection: frequent

|||||||||||||| ii) wheezing bronchitis: infants

||||||||||||| iii) Acute bronchiolitis: apnea(holding respiration)

||||||||||||| iv) pneumonia:

8) Prevention: monoclonal antibody to RS virus(Trade name SYNAGIS)

------------------ , its high costs, is administered in one shot/month during winter

-------------------- for high risk baby  ☞ low-birth-weight infant, premature baby 
==============================or infant with congenital heart diseases.

Any questions: write to Keiji Hagiwara MD. keijihagiwara@gmail.com