Medicine and Health Sciences Commons^™

Hepatitis B And C: Prevalence And Risk Factors Associated With Seropositivity Among Children In Karachi, Pakistan, Wasim Jafri, Nadim Jafri, Javed Yakoob, Muhammad Islam, Syed Farhan Ali Tirmizi, Tazeen Jafar, Saeed Akhtar, Saeed Hamid, Hasnain Ali Shah, Sheikh Qamaruddin Nizami

Section of Gastroenterology

Background

Infections with hepatitis B virus (HBV) and hepatitis C virus (HCV) can lead to chronic liver disease and hepato-cellular carcinoma (HCC). This cross-sectional study estimated the prevalence and identified risk factors associated with Hepatitis B surface antigen (HBsAg) and HCV antibody (anti-HCV) sero-positivity among children 1 to 15 years of age.

Methods

The study targeted the low to middle socioeconomic population that comprises 80% to 85% of the population. Consent was obtained from parents of the eligible children before administering questionnaire and collected a blood sample for anti-HCV and HBsAg serology.

Results

3533 children were screened for HBsAg and …

Eliciting Facial Expressions In Children With And Without Down Syndrome, Orietta Coz

Master's Theses

This study investigated facial expressions of children between the ages of 10 and 15 years with Down Syndrome (experimental group) and compared them to typically developing children (control group). Elicitation of facial expressions was carried out through showings of video clips. Trained observers were used to code expressions of happiness, anger, and disgust from video recordings that were made of the children’s reactions while they watched the video clips.

I hypothesized that Down Syndrome children will not differ from typically developing children in the frequency of elicited happy expressions. However, I expected them to differ in the frequency of elicited …