Pre-Algebra on Khan Academy: No way, this isn't your run of the mill arithmetic. This is Pre-algebra. You're about to play with the professionals. Think of pre-algebra as a runway. You're the airplane and algebra is your sunny vacation destination. Without the runway you're not going anywhere.
Salmonella infection. Gastrointestinal problems can arise from time to time in infancy. They are usually caused by a viral infection in the stomach. Rotavirus and Norwalk virus infection are common causes of gastroenteritis in babies and children. Escherichia coli , campylobacter, and salmonella are important bacterial causes of gastroenteritis. Some of the more common causes of gastrointestinal upset are described below, along with their symptoms and treatment. Rotavirus infection Rotavirus is the most common cause of a gastrointestinal upset and severe diarrhea in babies and children.
1 This type of UTI can occur when GI bacteria spread from the anus to the urethra. 2  Also, because the female urethra is close to the vagina, sexually transmitted infections, such as herpes, gonorrhea, chlamydia and mycoplasma, can cause urethritis.he most common UTIs occur mainly in women and affect the bladder and urethra. 1  Infection of the bladder (cystitis). 2  Infection of the urethra (urethritis). 3  Symptoms. 4  Risk factors.