Figures published in the British Medical Journal show that in the early 1970 ’ s, adults accounted for 48 percent of deaths from chicken pox, whereas by 2001 the figure had risen to 81 percent.
Žurnālā British Medical Journal publicētie dati liecina, ka 70. gadu sākumā 48 procenti no visiem, kas nomira ar vējbakām, bija pieaugušie, bet 2001. gadā pieaugušo skaits sasniedza jau 81 procentu.