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Related to ring vaccination: smallpox

Ring

A place on an exchange assigned for the trading of certain commodities, futures, or options. It is also called a pit or a trading pit.
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ring

See pit.
Wall Street Words: An A to Z Guide to Investment Terms for Today's Investor by David L. Scott. Copyright © 2003 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved. All rights reserved.
References in periodicals archive ?
Efficacy and effectiveness of an rVSV-vectored vaccine expressing Ebola surface glycoprotein: interim results from the Guinea ring vaccination cluster-randomised trial.
Kano, Nigeria, provides another example of the effectiveness of ring vaccination, one that public health officials could emulate to contain smallpox in the event of a bioterrorist release today.
"Ring vaccination involves swift vaccination of people who were in very close contact with the smallpox victim," Kohn said.
Ring vaccination is still considered the most crucial strategy for curtailing transmission of the smallpox virus.
Ring vaccination was used to eradicate wild cases of smallpox.
We would first try to contain an epidemic by isolating the patients and vaccinating only those who've been in contact with them, the strategy called "ring vaccination." Eventually, the entire nation might need to be immunized, but only if an outbreak were spiraling out of control.
INSTITUTE QUARANTINENorth Horr, Balesa, Demo, Shuur and Maikona are also affected.Following the crisis, the veterinary department plans to enhance surveillance, institute ring vaccination to control disease spread, increase public awareness, institute quarantine of livestock, restrict home slaughter, and close livestock markets.
In March 2015, a phase 3 ring vaccination trial of a recombinant vesicular stomatitis virus-Zaire Ebola virus vaccine began in Guinea (2).
On April 1, 2015, WHO and partners began an Ebola ring vaccination trial in Guinea to evaluate the efficacy of a recombinant, replication-competent vesicular stomatitis virus-based vaccine expressing a surface glycoprotein of Ebola virus (rVSV-ZEBOV) (5).