Down syndrome is a genetic disorder caused by the presence of an extra chromosome 21, leading to three copies of this chromosome instead of the usual two. However, it seems like you might be referring to something specific with “.3Down Syndrome” that isn’t immediately clear from standard medical terminology.
Cholera is an acute diarrheal disease caused by the bacterium Vibrio cholerae. It is characterized by rapid onset of severe, watery diarrhea and can lead to severe dehydration and even death if not treated promptly. Here’s an overview of cholera, including its history, significance, and impact: