Vaccines stop variants but overseas travel still not safe Variants are "not in themselves dangerous, but they can be if they change the behaviour of the virus" H. J. I. / AFP prije 3 sata WORLD HEALTH ORGANIZATION Vaccines stop variants but overseas travel still not safe The so-called Indian variant, which might be more transmissible, has now been identified in at least 26 of the 53 countries in the WHO Europe region Foto: Agencies Progress against the coronavirus pandemic remains "fragile" and international travel should be avoided, a World Health Organization director warned Thursday, while stressing that authorised vaccines work against variants of concern.