Who advice for international travel in relation to measles 20 june 2019 health requirements and recommendations for travellers to saudi arabia for hajj and umrah 9 june 2019 who advice for international travel and trade in relation to cholera 21 september 2018 who advice for international travel and trade in relation to mers cov 13 . International travel and health vaccination requirements and health advice situation as on 1 january 1990. In recent years there has been a tremendous increase in the number of people travelling between the various countries of the world and in view of this it is particularly important that health authorities are kept up to date on the changing immunization requirements and other prophylactic measures for travellers intending to go abroad this booklet is intended for national health. Get this from a library vaccination certificate requirements and health advice for international travel situation as on 1 january 1987 world health organization
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