There has been a cholera outbreak in the area. One of Obama’s staff, Daniel Namai, was in hospital last week because of the disease. The results of the cholera test can take up to 18 hours.
Mr. Obama is a businessman in Kenya. He was in Washington D.C. as part of his family’s delegation when President Obama was sworn in.
Obama also served as part of his brother’s wedding party.
The president has five half-brothers and a half-sister that are citizens of Kenya.