Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. Single New COVID-19 Case Sends Australian State Into 5-Day Lockdown Phil Mercer SYDNEY - ThecityofPerthinWesternAustraliahasenteredafive-daylockdownafterasecuri tyguardworkingataquarantinehoteltestedpositiveforcoronavirus.Itisthesta te'sfirstlocallyacquiredcoronaviruscasein 10months.Australiahasrecorded28,811COVID-19casesand 909 deathssincethepandemicbegan,accordingtoofficialgovernmentfigures. JustasinglenewCOVID-19case has sentmostofWesternAustralia's2.7millionresidentsintolockdown.Ithighlight sthenation'sverycautiousresponsetothepandemic.Itisnotyetknownhowthesecu rityguardworkinginaquarantinehotelinPerthfortravelersreturningfromovers eas contracted the virus.Schools,restaurants,andgymswillcloseforatleastfivedays.Onlyessent ial travelisallowed,andmasksmustbeworn. WesternAustralianpremierMarkMcGowanbelievesthestateisdealingwithahighly contagiousstrainofcoronavirusthatfirstemergedinBritain. "WearetoldtheguardwasworkingonthesamefloorasapositiveU.K.variantcase.Th eguardcompletedtwo 12- hour shiftsonboththe26thand27thofJanuary.Exactlyhowtheinfectionwasacquiredre mainsunderinvestigation,"McGowan said. EpidemiologistNancyBaxtersaysthelockdowninWesternAustraliahascomeasa shock tomanypeople. "TheyarekindoflivingtheirlivesasifCOVIDdidn'texist.So,nowwhenyouhavesom eonewhomayhavebeeninthecommunityforfour to fivedaysinaninfectiousstate,it'spossiblethatthevirushasspreadwidely.Iti slikelyamoreinfectiousvarianttothevirus,eithertheU.K.virusortheSouthAfr icanvariantofthevirus.So,thereisevenmorepotentialforittohavespreadwidel y.So,youknow,Ithinkthisisaprecautionaryapproach," Baxter said. Otherstatesandterritorieshaveimposedrestrictionsontravelersarrivingfrom WesternAustralia. TheprotocolsinotherpartsofAustraliaareverydifferent.Healthofficialshave saidupto30,000tennisfanswillbeallowedtoattendtheAustralianOpeneachday.T hetournamentstartsinMelbournenextweek. AuthoritiesinQueenslandarereopeningthestateborderonMondaywithNewSouthWa lesafterCOVID-19outbreaksinSydneyovertheholidayperiodwerecontained. Aso-called"travelbubble"has reopenedbetweenAustraliaandoneofitsclosestneighborsafterno newCOVID-19infectionsweredetectedinNewZealand.PassengersenteringAustral iawillbescreenedbeforeandafterflightsforthenext10daysbutwillnolongerhav etogointo quarantineuponarrival. AustraliacloseditsinternationalborderstoforeigntravelersinMarch.Thoseco ntrolsareexpectedtoremainfortherestofthisyear. ThehealthdepartmentMondayestimatedtherewere66activecoronaviruscasesin Australia. .