Video: Malaria yoov tshaj cum. Nws raug mob npaum li cas?
2024 Tus sau: Henry Conors | [email protected]. Kawg hloov kho: 2024-02-12 07:51
Kab no, nyob rau hauv lub tswv yim ntawm zologists, txawm heev ntxim hlub. Nws muaj lub cev oblong, ntev ceg thiab rhiab kav hlau txais xov, belongs rau Diptera kev txiav txim. Tsuas yog "cutie", tab sis nws hu ua yoov tshaj cum malarial. Nws raug mob npaum li cas? Peb yuav tham txog qhov no tom qab.
Lwm lub npe rau kab no yog "anopheles". Nws yog dav, tab sis hom kab mob txaus ntshai tshaj plaws nyob hauv thaj tsam yav qab teb. Lawv nqa tsis tau tsuas yog malaria xwb, tab sis kuj ua npaws daj, Japanese encephalitis, dengue fever.
Puas muaj yoov tshaj cum thiab malarial zoo sib xws? Vim li cas qhov kawg yog qhov txaus ntshai? Ob hom no yog ntshav nqus, tab sis tsuas yog poj niam haus ntshav, thiab txiv neej yog qhov tsis zoo. Qhov tsos txawv me ntsis. Anopheles muaj qhov tsaus nti ntawm cov tis thiab thaum tsaws, lub plab yog lifted. Cov poj niam nteg lawv cov qe hauv cov dej khov, feem ntau hauv cov dej ntub dej. Nyob ntawd, cov larvae nyob, ua pa los ntawm cov hlab ntsha tshwj xeeb, pub los ntawm kev hla dej los ntawm lawv tus kheej thiab lim tawm cov khoom me me. Thaum lub sij hawm los txog rau qhov yug me nyuam, cov chrysalis nce mus rau saum npoo thiab ib tug neeg laus kab ya tawm ntawm nws.
ThawjCov yoov tshaj cum malarial puas txaus ntshai? Kev yoo mov rau tsiaj thiab tib neeg yog qhov mob heev, ua rau khaus, liab thiab ua xua. Qhov no yog tias yoov tshaj cum tsis kis. Yog tias nws kis tau, qhov tshwm sim tuaj yeem ua rau mob hnyav heev, vim malaria
hais txog cov kab mob uas muaj kev tuag ntau. Nws tshwm sim los ntawm cov kab mob hu ua plasmodia. Qhov tom ntawm yoov tshaj cum malarial pab txhawb rau qhov tseeb tias tus neeg sawv cev ntawm tus kab mob nkag mus rau hauv cov hlab ntsha. Tab sis Plasmodium tsis tsuas yog siv Anopheles ua kev thauj mus los xwb, lawv yog qhov chaw tsim khoom rau lawv. Yog li ntawd, kev tawm tsam cov yoov tshaj cum malarial nyob rau ntau lub tebchaws tau ua thiab tau ua nyob rau hauv lub xeev.
Thawj chiv keeb, lawv tsis tuaj yeem txiav txim siab seb tus yoov tshaj cum malaria ua haujlwm li cas, nws txaus ntshai rau tib neeg. Nws ntseeg tau hais tias qhov ua rau ntawm tus kab mob yog cov pa phem marsh fumes. Thiab tsuas yog thaum kawg ntawm lub xyoo pua 19th, tus kws kho mob Fab Kis Charles Laveran tau hais tias tus kab mob ua rau tus kab mob tuaj yeem yog kab mob yooj yim. Tus kws kho mob Parasitologist Patrick Manson tau xav txog qhov tseeb tias qhov "kab mob" no yuav tsum tau txav los ntawm ib tus neeg mus rau lwm tus. Ronald Ross tau pom lawv hauv Anopheles. Yog li, los ntawm kev siv zog thoob ntiaj teb, los ntawm xyoo pua nees nkaum, lawv tau txiav txim siab tias yoov tshaj cum malarial yog dab tsi, nws txaus ntshai rau tib neeg.
Tab sis kev nthuav tawm tsis txaus, nws yog qhov tsim nyog los tsim lub tswv yim rau kev sib ntaus. Qhov zoo tshaj plaws yog kev tso dej ntawm cov av ntub dej. Nov yog qhov lawv tau ua ntawm lub qhov ncauj ntawm Rhine. Tam sim no, ob peb tus neeg yuav nco ntsoov tias muaj qhov kub thiab txias ntawm tus kab mob txaus ntshai. Qhov ntawd yog qhov lawv ua hauv hav zoovAbkhazia, qhov chaw cog ntoo eucalyptus, uas tso dej tawm ntawm cov swamps, cov yoov tshaj cum me me tau tso rau hauv qhov so, lawv yog cov yeeb ncuab ntawm yoov tshaj cum thiab pub rau lawv cov larvae. Tab sis tseem muaj qhov chaw txaus hauv ntiaj teb, tsis muaj kev tsim kho, qhov twg malaria vam meej. Qhov no feem ntau cuam tshuam rau thaj tsam nruab nrab ntawm Africa thiab South America, qhov chaw uas txaus ntshai tshaj plaws tam sim no nyob. Txhua tus neeg ncig tebchaws yuav tsum nco ntsoov tias tsis muaj tshuaj tiv thaiv kab mob no, tab sis koj tuaj yeem cawm koj tus kheej yog tias koj pib noj quinine raws sijhawm.
Pom zoo:
Yoov yoov - lawv yog leej twg? Vim li cas yoov tom tib neeg thiab tsiaj?
Lub caij nplooj zeeg ze zuj zus, qhov mob ntau dua cov yoov tom. Qee lub sij hawm nws zoo li cov no tsis yog kab me me, tab sis tus Tsov tiag tiag tau tom koj txhais ceg. Tshwj xeeb tshaj yog thaum koj pom ib qho kev thab plaub uas lig dhau lawm thiab muab sijhawm rau nws los npaj "kev tawm tsam" tag nrho. Tab sis vim li cas yoov tom? Puas yog nws zoo siab heev rau lawv tsim txom cov neeg dawb huv? Los yog muaj lwm yam, tseem ceeb tshaj yog vim li cas?
Ntawm yoov tshaj cum: yoov tshaj cum nyob ntev npaum li cas tom qab raug?
Yoov tshaj cum yog cov kab tshwj xeeb! Lawv nyob yuav luag tag nrho lub ntiaj teb nrog kev zam ntawm Antarctica. Nyob rau hauv tsab xov xwm no peb yuav tham txog ib qho nthuav thiab paradoxical yoov tshaj cum tshwm sim - nws tuag tom qab nws tus kheej tom
Bernie Ecclestone: nws lub hmoov zoo npaum li cas, nws muag Formula 1 tau npaum li cas, thiab nws cov ntxhais Petra thiab Tamara ua dab tsi?
Tus neeg ua lag luam Askiv tau coj kev ua kis las rau yuav luag plaub lub xyoos dhau los txog thaum nws muag tag nrho rau cov nyiaj zoo sib xws ua ntej xyoo no
Qav hnyav npaum li cas? Qhov tsawg tshaj plaws thiab loj tshaj plaws khej. Crocodiles nyob ntev npaum li cas
Zaj lus muab ib lub tswv yim hais tias tus crocodiles hnyav npaum li cas, lawv lub hnub nyoog txiav txim siab npaum li cas, muab cov lus piav qhia ntawm cov neeg sawv cev ntawm tsev neeg khej
Yoov tshaj cum yog cov kab nqus ntshav. Kev piav qhia thiab kev faib tawm ntawm yoov tshaj cum
Yoov tshaj cum yog cov kab me me uas nyias ob txhais ceg thiab ntev proboscis. Lawv feem ntau tsis meej pem nrog yoov tshaj cum, tab sis muaj qhov sib txawv tseem ceeb ntawm lawv. Leej twg yog yoov tshaj cum? Lawv nyob qhov twg? Dab tsi ua rau kev sib ntsib nrog lawv rau ib tus neeg?
