The vaccine administration techniques in USA

There are 2 route of vaccine injection techniques in USA. One is intramuscular,
other is subcutaneous routes ➞ see Centers for Disease Control and Prevention.
But in Japan, vaccines including Swine Flu are usually administered subcutaneously. 
A little bit different.  Subcutaneous is fewer pain than that of Intramuscular one.

(1) intramuscular administration:

(2) subcutaneous administration :

(3) position:

(4) sites of vaccines:

                            

Any questions:   write to Keiji Hagiwara, MD

----------------------------Kami-Ube Pediatric Clinic,

----------------------------1-20-2 Tokiwadai, Ube 75-0097, Japan

----------------------------keijihagiwara@gmail.com