The Weekly Epidemiological Record (WER) for 9 August 2013, vol. 88, 32 (pp. 337–348) includes:
:: Rubella virus nomenclature update: 2013
:: Health conditions for travellers to Saudi Arabia for the pilgrimage to Mecca (Hajj)
http://www.who.int/entity/wer/2013/wer8832.pdf