Many instances of inadvertent, short-term exposure to asbestos will most likely have led to minimal exposure to fibres, with little probability of any long-term unwell health effects. http://www.wada-system.com/cgi-bin/ltta/count_ltta_top_link_to_appstore1.cgi?target=https://www.murakamilab.tuis.ac.jp/wiki/index.php?relisheast76