Please select the eligibility criteria that correspond to the clinical trial below.
Title: WASH Benefits Kenya: A Cluster Randomized Controlled Trial of the Benefits of Sanitation, Water Quality, Handwashing, and Nutrition Interventions on Child Health and Development
Brief Summary: The purpose of this study is to measure the independent and combined effects of interventions that improve sanitation, water quality, handwashing, and nutrition on child health and development in the first years of life.


Options:
A: Study Population Description:

The subject population will be young children and their mothers/guardians living in several contiguous districts of Western Province, in the rural areas outside the towns of Bungoma and Kakamega. Communities must meet the following criteria:

* Located in a rural area (defined as villages with \<25% residents living in rental houses, \<2 gas/petrol stations and \<10 shops)
* Not enrolled in ongoing WASH or nutrition programs
* No chlorine dispensers at water sources installed by programs separate from the present study
* Majority (\>80%) of households do not have access to piped water into the home
* At least six eligible pregnant women in the cluster at baseline.

From enrolled communities, household compounds will be enrolled if they meet the following criteria.

Inclusion Criteria:

1. One or more women who self-identify as pregnant at the time of the baseline survey
2. The woman plans to stay in the community for the next 12 months.

Exclusion Criteria:

(1) The study excludes households who do not own their home to help mitigate attrition during follow-up.
B: Inclusion Criteria:

* Subject, male or female, is 5-14 years of age
* Subject is otherwise in an healthy condition (medical history and physical examination)
* Parent(s)/guardians of subjects (or their legally-accepted representatives) signed an informed consent document indicating that they understand the purpose of and procedures required for the study and are willing to have their child participate in the study.
* Subject of ≥6 years has assented (agreed) to participate in the study.
* Subject of ≥12 has signed an informed consent document indicating that they understand the purpose of and procedures required for the study and are willing to participate in the study.
* The subject swallowed the entire drug (ALB 400 mg) under supervision
* Subject provides a stool sample of at least 9 grams

Exclusion Criteria:

* Subject has active diarrhea (defined as the passage of 3 or more loose or liquid stools per day) at baseline or follow-up
* Subject has any acute medical condition or is experiencing a severe concurrent medical condition
* Subject has a known hypersensitivity to benzimidazole drugs
* Subject has received an anthelminthic treatment within 90 of the start of the treatment.
* Subject vomited within 4 hours after drug administration
* Subject is unable to provide a stool sample at follow-up
C: Inclusion Criteria:

* children attending any one of the participating study health centres for their routine 12-month growth and development visit
* children living in or near the study area

Exclusion Criteria:

* children who are attending the clinic for suspected STH infection
* children who have received deworming treatment in the six months prior to randomization
* parents planning to move outside of the study area within the next 12 months
* children under 12 months of age or 14 months of age or older
* children with serious congenital or chronic medical conditions and who would be considered by the attending staff not to benefit from deworming
D: Inclusion Criteria:

* Participants must not be or have been on highly active antiretroviral therapy.
* Participants must have CD4 count \> 350 cells/mm3 in order to be enrolled in the randomized controlled trial.
* Participants must be at least 18 years of age.
* Participants must be able and willing to participate and give written informed consent.
* Participants must be able and willing to return for the scheduled follow-up visits.

Exclusion Criteria:

• Participants must not be pregnant at the time of enrollment (by urine HCG testing).

Answer: A