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learning and implementation, and flexible enough to handle several scenarios. This allows administrators more options to choose from which are easier to use in various scenarios. For example, in case of a loud scene by a parent or an unarmed petty thief being chased by the police through the school playground, this flexible procedure allows school administrators the flexibility to implement a more limited lockdown while teaching in school continues, thus eliminating need for complete emergency lockdown, disruption and delays in resumption of teaching, etc. The consequences of not having procedures to implement such lockdowns is that the situation might quickly escalate where there could be loss of human lives.
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277:. By late April, around 300 million people were under lockdown in European countries, while around 200 million people were under lockdown in Latin America. Nearly 300 million people, or about 90 per cent of the population, were under some form of lockdown in the United States, and 1.3 billion people have been under
623:
Aug 13, 1999, Schools in New York Area
Reassess Safety for Students, By Randal C. Archibold: "The shootings at Columbine High School in Littleton, Colo., have led school officials in the New York City metropolitan area to reassess security and in some cases to make changes to minimize threats. At one
404:
a multi-disciplinary team reviews the specific area's manufacturing processes, tooling and machine condition, to find the root cause(s) of the problem(s). Once changes to the process, or machine repairs that may include adjustments or replacement are effected, a sample run is initiated and evaluated.
158:
Preventive lockdowns are preemptive lockdowns to mitigate risk. Most organisations plan for the emergency lockdowns but fail to plan for other situations that might quickly degrade to dangerous levels. These protocols must be based on the type of threat, and should be kept simple and short for quick
326:
can be defined as a course of action to control the movement of inmates. Confining all prisoners, except workers, to their cells until the end of the day is an example of a "lockdown period" in a corrections schedule. However a "full lockdown" is used when all prisoners are locked in their cells to
606:
Nov 8, 1998, No More Rotten Odors, Sewage
Protesters Say, By David Koeppel: "At Seaford Harbor School, Principal Barbara Bauer, who attended the rally, acknowledged that the smells had resulted in one 'lockdown' in the past year. On Oct. 26, parents say, a lockdown was declared at another school,
176:
are implemented when there is imminent threat to the lives or risk of injury to humans, for example, a school's emergency lockdown procedures must be kept short and simple to make them easier to use under real life crisis conditions. Simple procedures can be easily taught with periodic lockdown
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Lockdown procedures vary by site and country. Generally, a lockdown means that interior and exterior doors are locked, and all students and staff must remain in their location from the time the lockdown is announced. In some locations, windows are covered, and students stand at the back of the
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is a preemptive action plan implemented to address an unusual scenario or a weakness in system to preempt any danger to ensure the safety and security of people, organisation and system. The focus for preventive actions is to avoid dangers and risks arising from the nonconformity to the normal
617:
Jun 6, 1999, In Brief: School Hot Line: "there has also been 'a massive security lockdown' at all
Yonkers schools. ...All but one entrance door in each school is locked, and safety officers are stationed at each. Everyone entering school buildings is being scanned for
624:
extreme is West
Hartford, Conn., where administrators devised what they termed a 'lockdown' drill in which students and teachers, practicing in case there should be a shooting, lock all doors and stay put until they are told that the police have arrived."
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being imposed on all major islands and cities. Similarly the lockdown in South Africa started on 27 March 2020 and progressed through various levels. It is also one of the strictest lockdowns in the world with cigarettes and alcohol banned throughout.
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Lockdowns can limit movements or activities in a community while allowing most organizations to function normally, or limit movements or activities such that only organizations supplying basic needs and services can function normally.
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A lockdown can also be used to protect people inside a facility or, for example, a computing system, from a threat or other external event. In buildings doors leading outside are usually locked so that no person may enter or exit.
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Oct 25, 1998, Report Card in
Yonkers On New Schools Chief, By Elsa Brenner: "Dr. Hornsby declared a lockdown in the city's high schools, informing 6,000 students that they could no longer ventue off campus for pizzas and Chinese
395:
initiative in which manufacturing in a specific area (typically a cell or specific piece of machinery) is halted in order to contain, and determine, what are the issues that are preventing the manufacture of goods from meeting
482:(RCMP) issued a lockdown order on one of the buildings on campus for six hours, cordoning off the area. A campus alert was sent via email to everyone affiliated with UBC, while those in the building remained locked in it.
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Both preventative and emergency lockdowns can be adopted for similar goals. They may be use for security purposes to reduce the number of people on the street to allow police to conduct rescue missions after
93:
314:, lockdown procedures in schools have been changing. Some schools direct teachers to continue with standard procedures while remaining quiet, while some recommend an active approach against threats.
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are within the required specifications, the area lockdown is lifted and production is resumed. Follow-up sampling is conducted subsequently to ensure continuity of the lockdown results.
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The term is used for a prison protocol that usually prevents people, information or objects from leaving an area. The protocol can usually only be initiated by someone in a position of
99:) is a restriction policy for people, community or a country to stay where they are, usually due to specific risks that could possibly harm the people if they move and interact freely.
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Jul 29, 1998, Children in Tow, Tourists Stream to
Capitol to Mourn Its Guardians, By Lizette Alvarez: "Friday's act by a gunman prompted few calls for a lockdown of the Capitol."
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Feb 10, 1999, As Senate Goes Into
Lockdown, Quiet Fills Capitol, By Frances X. Clines: "the Senate went into lockdown with President Clinton's fate in its hands."
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521:(ERT) was called, and the school was under lockdown until 4:30 p.m. Due to the size of the school some students were not able to leave until 7:00 p.m.
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to prevent local populations mixing with insurgents so that governments can conduct military missions against the insurgents. They may also be used in
528:, US was locked down and all public transportation stopped during the manhunt for terrorists Dzhokhar and Tamerlan Tsarnaev, the perpetrators of the
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770:"Swine flu: Mexico's government orders businesses to close and citizens to stay indoors for five days in an effort to halt swine flu"
891:
284:
The lockdown in the
Philippines started on 14 March 2020 and is one of the longest and strictest lockdowns with varying levels of
506:
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273:
on
January 23, 2020. By early April 2020, 3.9 billion people worldwide were under some form of lockdown—more than half the
874:"A third of the global population is on coronavirus lockdown—here's our constantly updated list of countries and restrictions"
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906:"About 90% of Americans have been ordered to stay at home. This map shows which cities and states are under lockdown"
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was under heavily armed police and SWAT surveillance, and systematic house-to-house searches were carried out.
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This article is about the emergency measure. For the mass quarantine measure in a disease outbreak, see
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Lockdowns may be adopted as a preventative measure or in response to a crisis as an emergency measure.
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39:
367:. Occasions for preventing both entry and exit from a hospital may include: external contamination,
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194:, such as Ebola and COVID-19, to prevent air-borne diseases from spreading and they may be used as
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573:, the first known use of lockdown occurred in 1973, referring to the confinement of prisoners.
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649: – Order imposing certain regulations during specified hours, often stay-at-home orders
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Feb 12, 1974, Violent
Inmates Are Isolated at San Quentin contains the first reference to
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1035:"Coronavirus in South Africa: tobacco smugglers benefit from world's strictest lockdown"
655: – Imposition of direct military control or suspension of civil law by a government
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854:"Coronavirus: Half of humanity now on lockdown as 90 countries call for confinement"
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774:
715:"Locking Down Violence: The COVID-19 Pandemic's Impact on Non-State Actor Violence"
328:
1149:"Cause for UBC Lockdown still uncertain but initial posting may reveal some clues"
1008:"South Africa Begins Nationwide Coronavirus Lockdown | Voice of America - English"
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or stay-at-home orders. The first lockdown during the pandemic was implemented in
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In US guidelines, occasions for preventing entry into a hospital may include:
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Emergency protocol that prevents people or information from leaving an area
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975:"The Philippines' fierce lockdown drags on, despite uncertain benefits"
943:"COVID-19 in Philippines: Police deployed to implement fresh lockdowns"
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674:"Capitalist lockdown is bad. Capitalist reopening is worse | Red Flag"
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circumstances, but also commonly includes improvements in efficiency.
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892:"What Share of the World Population Is Already on COVID-19 Lockdown?"
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A Town Under Siege: Watertown Residents Describe Life Under Lockdown
824:"Wuhan lockdown: A year of China's fight against the Covid pandemic"
798:"Italy and China used lockdowns to slow the coronavirus. Could we?"
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for days while security services sought suspects involved with the
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Barricaded streets during the lockdown due to COVID-19 outbreak in
673:
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Police conversing with people during a lockdown in Benidorm, Spain
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Boston faces lockdown as police hunt for marathon bombing suspect
1213:"North York: Two charged after George S. Henry Academy lockdown"
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were contacted and the lockdown lasted for more than two hours.
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822:
Illmer, Andreas; Wang, Yitsing; Wong, Tessa (22 January 2021).
478:(UBC) on January 30, 2008, an unknown threat was made, and the
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Please try to keep recent events in historical perspective and
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from California Hospital Association. Retrieved December 2012
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Tracking usage changes through events reported up to 1999 in
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after the revocation of the special status of the state, by
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This Is What It Looks Like When the Police Shut Down a City
925:"For a billion Indians, lockdown has not prevented tragedy"
67:
1308:"Restrictions eased as Kashmir enters Day 22 of lockdown"
265:, the term lockdown was used for actions related to mass
1138:
at Iroquois Healthcare Alliance. Retrieved December 2012
637: – US based child abduction emergency alert system
440:
742:
Dineros, Kevin; Dipasupil, Jan Paolo (15 March 2020).
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1174:"Police increase presence at UBC following lockdown"
566:, claiming that the lockdown was to curb terrorism.
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489:were locked down due to suspected firearm threats.
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1234:"Teen arrested in connection with school lockdown"
1089:"Prison Race Rights: An Easy Case for Segregation"
226:Pandemic prevention § Testing and containment
331:or unrest from spreading or during an emergency.
744:"COVID-19 Crisis Management and Prevention Plan"
554:In August 2019, the Indian government imposed a
549:2015 Los Angeles Unified School District closure
243:from April 30 to May 5, 2009 in response to the
202:, as in school shootings or hostage situations.
696:
694:
38:. For the practice of isolating prisoners, see
748:COVID-19 Crisis Management and Prevention Plan
1087:Spiegel, Sarah (2007). Spiegel, Sarah (ed.).
8:
768:Carroll, Rory; Tuckman, Jo (30 April 2009).
547:. Later in 2015, a terror threat caused the
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703:, campussafetymagazine.com, June 14, 2012.
1297:, 19 April 2013. Retrieved 19 April 2013.
1070:"School Safety Questioned After Shooting"
726:
464:(2001), a three-day lockdown of American
665:
1339:Merriam-Webster definition of lockdown
1116:
1114:
524:On April 19, 2013, the entire city of
701:Why Schools Need 2 Types of Lockdowns
7:
643: – Missing-child safety program
517:at approximately 1:40 p.m. The
501:at approximately 2:00 p.m. The
177:drills instead of lengthy training.
1326:"India PM defends Kashmir decision"
1265:, 19 Apr 2013. Retrieved Jun 2013.
1281:, 19 Apr 2013. Retrieved Jun 2013.
25:
719:American Political Science Review
1367:
1186:"Threat prompts lockdown at UBC"
834:from the original on 14 May 2023
796:Resnick, Brian (10 March 2020).
541:Brussels was locked down in 2015
507:New Westminster Secondary School
485:On April 10, 2008, two Canadian
421:
303:classroom or away from windows.
57:
373:abduction of an infant or child
476:University of British Columbia
239:A lockdown was implemented in
1:
1372:The dictionary definition of
556:lockdown on Jammu and Kashmir
480:Royal Canadian Mounted Police
443:related to non-recent events.
434:slanted towards recent events
545:November 2015 Paris attacks
400:specifications. During the
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894:. Statista. 23 April 2020.
721:. January (1): 1327–1343.
379:Lean manufacturing process
312:September 11, 2001 attacks
308:Columbine shooting in 1999
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206:In epidemics and pandemics
196:counterinsurgency measures
166:
143:
29:
728:10.1017/S0003055422001423
192:public health emergencies
44:Lockdown (disambiguation)
923:Nair S (29 March 2020).
539:In Belgium, its capital
713:Brancati, Dawn (2023).
530:Boston Marathon bombing
519:Emergency Response Team
491:George S. Henry Academy
245:2009 swine flu pandemic
235:2009 swine flu pandemic
405:If the results of the
393:continuous improvement
215:
190:. They may be used in
126:
42:. For other uses, see
1093:California Law Review
607:Mandalay elementary."
322:In prisons, the term
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1402:Emergency management
1153:The Georgia Straight
532:, while the town of
462:September 11 attacks
413:Newsworthy lockdowns
286:community quarantine
40:Solitary confinement
1350:The New York Times
1240:on 17 February 2009
1107:on 16 January 2016.
1076:. 16 December 2012.
509:was locked down in
493:was locked down in
460:In the wake of the
174:Emergency lockdowns
169:Emergency procedure
152:preventive lockdown
138:Preventive lockdown
1397:Penal imprisonment
1191:The Globe and Mail
579:The New York Times
275:world's population
257:COVID-19 lockdowns
220:Stay-at-home order
216:
200:police emergencies
163:Emergency lockdown
127:
36:COVID-19 lockdowns
32:Stay-at-home order
1314:. 26 August 2019.
1263:The Atlantic Wire
1155:. 31 January 2008
487:secondary schools
458:
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369:civil disturbance
293:Typical scenarios
279:lockdown in India
263:COVID-19 pandemic
251:COVID-19 pandemic
188:natural disasters
146:Preventive action
16:(Redirected from
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