Plus, SapientNitro says, it has the technology and expertise to make sure that all the back-end systems talk to each other, so that Marks and Spencer (a Sapient client) knows that a person who visits its mobile app has recently purchased outerwear and lives in a particular region, for example.
Your pediatrician, who is specifically trained to care for kids and teens, might be able to provide care for a little longer if your child is in college (usually until college graduation or age 21). But this varies from doctor to doctor, so be sure to ask.
In general, you should usually call your pediatrician if he has a temperature at or above: 100.4 degrees Fahrenheit and he is under three months old. 101 degrees Fahrenheit and he is between three and six months old.