Firstoff a reminderthatthisnovelcoronaviruscarriesitsgeneticinfoasRNAnotDNAisconsideredanintracellularparasitewhichis a fancywayofsayingitcanonlyreproducewithincells.
A newgeniusstudywentbacktolookatbloodsamplesovermultipledecadesfortheseasonalcoronavirus 2 to 9 E becausethisvirusisabletoinfectpeoplerepeatedlythroughouttheirlives.
Likeouronemeaninganinfectedpersonislikelytoinfectonlyoneotherperson, notlikethis, a micronvariant, whichismakinggraphsofcovidcaseslooklike a comedicjokesstraightlineup.
Ontheotherhand, SARS-Cov-2 couldbecomesomethingmorethreatening, like a badfluorsomethingevenworse.
一方、SARS-Cov-2は、悪いインフルエンザのような、より脅威的なものになる可能性があります。
It's a mythtosaythatvirusesonlyevolvedtobecomemoremild, whichis a narrativethatkeepsgettingpushed.
ウイルスが進化してマイルドになっただけ、というのは神話のような話です。
It's possible, buttherealityisfarmorecomplex.
それは可能ですが、現実ははるかに複雑です。
TheRNAinsideis a blueprintthatneedstogetitsgeneticmaterialintothecytoplasmofyourcells.
中のRNAは、細胞の細胞質に遺伝物質を入れる必要がある青写真です。
Thentheribosomestartsreadingtheblueprintthreenucleicacidsat a timeandthenstringsthemtogetherandcreatestheprotein, butoccasionallythewrongnucleicacidwillgetaddedtothechain.
Kingdeltaidentifiedinspring 2021 was 60% moretransmissiblethananyotherstrainbeforebecauseofmutationsthatresearchersthinkcausedittoreplicatefasterintheairwaysofinfectedindividuals.
Socontinuedvaccinationcanbuildup a wallofimmunitythattheviruscannolongerovercomeessentiallyifthewholeworldwassuddenlyvaccinatedatonce, theoverall T cellmediatedimmunitywouldbehighenoughtohelpusbemoreresilienttoanyupcomingchangesofthevirusandas a resultitwouldn't beabletospreadasfastandlikelybecomeendemicmoreeasily.
Weinvent a vaccinelikethemeaslesvaccinethatofferslifetimeprotectionandtheonlypeoplewhoaresusceptibleournewbornkidsforitendsuplikerespiratorysensationalvirus, meaningit's aroundlikemaybeforever.
Itismildformostkids, butitdoescausehighhospitalizationratesoverallforinfantsasitspreadsorevolves, adultshavemildsymptomsduetotheirexposuretheyalreadyhadas a kid.
Six, itendsuplikeinfluenza B evolvesmoreslowlyandisdrivenlargelybyinfectioninChildrenwhohavelessimmunitythanadultswhoaremoreimmunefrompriorinfectionandvaccines.
Thiscoronavirusisevolvingfasterthanotherseasonalcoronavirusisorinfluence A butexpertsdopredictthatitwillslowdowntomaybeneedinganupdatedvaccineeveryyear, likethefluorpotentiallyeverytwoorfiveyears.