<prompt> Pfupisa nyaya yacho: Kukwidziridza zera rinobvumirwa nomutemo rokuputa fodya kusvika pamakore 21 muAmerica yose kwaizoderedza nhamba yokufa nguva isati yakwana neinodokusvika 250 000, maererano nokutsvakurudza kutsva. Mushumo wacho, wakabudiswa neInstitute of Medicine, wakaongorora kukanganiswa kweutano hweveruzhinji kwokuwedzera zera rokuzvarwa muUnited States kusvika pa19, 21 kana kuti 25. Uye rakagumisa kuti kudai raizokwidziridzwa kusvika ku21 zvino, raizoguma nokufa nguva isati yakwana kunenge 249 000 kuduku nokuda kwavanhu vakaberekwa pakati pa2000 na2019. Kukwidziridza zera repamutemo rokuputa fodya kunogona kuderedza nhamba yerufu rusati rwaitika muAmerica neanenge 250 000. Zvinogona kureva kufa kwevanhu 45 000 vashoma nekenza yemapapu uye makore 4.2 miriyoni ekurasikirwa noupenyu kwechizvarwa chimwe chete ichocho, rinodaro mushumo wacho. Nepo mushumo wacho usingapi zvikarakadzo zvipi nezvipi, vakuru vakuru vanodaro, unopa nhungamiro yesayenzi iyo nyika nenzvimbo zvinoda kuongorora mitemo yakanangidzirwa pakuderedza nokugumisa kushandiswa kwefodya nevechiduku. Kunosimbisawo nhamburiko dzehurumende dzokuderedza kufa nezvirwere zvinokonzerwa nefodya zvichitevera kupemberera makore 50 emushumo mukuru wehurumende wa1964 uyo wakatanga sangano rinorwisa kusvuta. Nyika zhinjisa dzakaisa zera racho pa18, iro riri muganhu wehurumende. Nyika ina - Alabama, Alaska, New Jersey neUtah - dzakaisa zera racho pa 19 uye nzvimbo dzinoverengeka, kubatanidza New York City, dzakasimudza zera rinobvira pa 21 makore. Nyika zhinjisa dzakatara zera rapamutemo rokutenga fodya pa 18 - mwero muduku zvikurusa wehurumende. Asi mune dzimwe nzvimbo unofanira kuva mukuru:. 19: Alabama, Alaska, New Jersey, Utah. 21: Suffolk County; New York City; Evanston, Illinois; Columbia, Missouri; maguta anoverengeka muMassachusetts; Englewood, New Jersey neHawaii County, Hawaii. Kuwedzera zera rehurumende kwaizoda chiito cheCongress, icho chakaraira mushumo mumutemo wa2009 uyo wakapa Food and Drug Administration simba rokudzora fodya. Mhinduro dzeongororo dzakabudiswa neCenters for Disease Control and Prevention muna June dzakaratidza kuti vashoma pane 16 muzana yevechiduku vakaputa mudzanga mumwedzi wapfuura - mwero wakaderera zvikuru kubvira apo hurumende yakatanga kuita...  <response>: Mushumo wakaongorora migumisiro yehutano hwevanhu hwekuwedzera zera kusvika ku19, 21 uye 25. Kukwidziridza zera repamutemo kusvika pamakore makumi maviri nerimwe kungaguma norufu rwokukurumidza runoderera ne 249 000. Nyika zhinjisa pari zvino dzakaisa zera racho pa18, iro riri pasi pezera rehurumende. Asi Alaska, Alabama, Utah neNew Jersey dzakatogadza zera racho pa19. 