TY - JOUR T1 - Up to 650 000 people die of respiratory diseases linked to seasonal flu each year JF - Saudi Medical Journal JO - Saudi Med J SP - 317 LP - 317 VL - 39 IS - 3 A2 - , Y1 - 2018/03/01 UR - http://smj.org.sa/content/39/3/317.abstract N2 - ER -