ring vaccination การใช้

• Mass, voluntary inoculation would follow if smallpox cases were widespread and ring vaccination was inadequate.
• But if an attack were followed with ring vaccinations, the result would be 40, 000 deaths.
• Since the adoption of mass and ring vaccination, complexities and challenges to herd immunity have arisen.
• Critics, though, say that public panic over an outbreak of smallpox would make ring vaccination implausible.
• The American Academy of Pediatrics also said it favored ring vaccination in the event of an attack.
• "Any vaccination strategy for containing a smallpox outbreak should utilize the ring vaccination concept, " the guidelines said.
• This tactic, ring vaccination, was used by the CDC and the World Health Organization to eradicate the disease.
• Or save the vaccine for an attack and use ring vaccination and assume it would contain the epidemic.
• In what's called " ring vaccination ", all the animals within 16 kilometers of a suspected outbreak are vaccinated.
• Aware of the toll that mass vaccination would bring, the CDC has focused on coping with an outbreak through ring vaccination.
• The study found the least effective method to be " ring vaccination, " the main way smallpox was eradicated from human populations.
• In a report, the Cato Institute, a policy group in Washington, called ring vaccination " woefully inadequate for countering a direct attack ."
• The CDC has said it planned to control any new smallpox outbreak by using the ring vaccination method it used to eradicate smallpox.
• The CDC recommended a technique called " ring vaccination, " in which only healthy people around a smallpox victim would receive the vaccine.
• Hauer said that ring vaccination was envisioned as simply a first line of defense that could quickly expand to much wider immunizations if necessary.
• Such work is so hard and time consuming, he noted, that ring vaccination is unsuitable as the only means of fighting a wide epidemic.
• If an outbreak occurs, the CDC says it will respond with the technique known as ring vaccination, which was used to eradicate the disease.
• In the hypothetical attack, ring vaccination allowed 367, 000 cases of smallpox and 110, 000 deaths and took 350 days to extinguish the outbreak.
• On 1 April, it was reported that possible contacts, which numbered in the hundreds, had been vaccinated with an experimental vaccine using a ring vaccination approach.
• The CDC, which heads the federal effort to prepare for a smallpox attack, maintains the best approach to an outbreak would be " ring vaccination ."