Smullpox unidiciuiuii wns ccrtificd by thc World I (onlth Aisembly on Miiy 8, 1980.' Tlile wil my cvcnt thsir mimy hoped wtuild coneign tmallpti* *<’ hi»-tory. Over ihe pi im 10 ycnra, howcvcr, tle nr rvtdencc hm frncrRcd tlim selen ■ tuli in the Sovirt Union ltiul dcvelopcd mihodt by whith tmallpo* ciniKI be mcii m u itratrgu: ■eepon on intcnonimrnrnl hnlliMlc mimie*.1 mul inunu-r.iiluiniK liuililin liiul been comtnicicd Ilut wrre cupuhle iif pnulucinii the vim« in ton >|u.mikio. A> wio Icumril.. ochet Mutlin in Sov(ei luboniione*. ci|X'i uilly the Vht .* TOR lulumitoty in Novn»tbiiłk, pununl ih} pomble me <>l tecirnilnnanr producti of itnallpoi viru» iu biologie •npmu. Thrw nętivitle\ tlili puttially cloukrd in tecrrcy, i.tiplni willi ihc tntgntiion ot toniuri Soeiet Hienimi to Umiiyin in oiher countrm mm h .o Junt, lriu|, -ind North Kurni, huvc rnued ihe tpetiei ot tmallpiui being uu >1 uh u biologie weupon.
The irleute ot im aeriMol ot •m>illpoX vln» utul 111 >ul’ii: qurnt tpieuil u rctogniml, iiithily> m poong ihe juimbiliiy of mi International i aiaetitrphe. Accordingly, ihc United Stelo oiui u nuiiibcf ot other countne* huvv 1'eyuii to n>n-li,iu tur the ilelivriy ot new klocki of inullpK v:u t inr ind lo pieli l»( en uppniprtuir emeritcncy tcipotiM' dumki imali* pn mul Thcy .irr worklfig wlth the World I le.itlh CtymuMMi (*WMO) ni dcviM* incuiik lor coping u uh unellpiu whrrrver ii might rcciii iii teiognitton ot ihe isici tlut en out break anywhere ihieaicne nil conntrtn The intrie*t in unallpoe .o u dtkeiue mul in ile prrveniton lu> men dutrply, etui »i ihie i-liupter hiia been mpanded.