Home Doctor giving injection to baby boy (2-5 months). CREDIT: Science Photo Library / IAN HOOTON Doctor giving injection to baby boy (2-5 months). CREDIT: Science Photo Library / IAN HOOTON

Doctor giving injection to baby boy (2-5 months). CREDIT: Science Photo Library / IAN HOOTON

Childhood injection. Doctor giving a 5-month-old boy an injection, while he sits in his father’s lap. Photo by Science Photo Library / IAN HOOTON

Stock photo: Asian boy getting shot at hospital. <P><P>Photo by ER Productions Limited</P>