smallpox viruses การใช้

• Several scientific groups backed the move to destroy the smallpox virus.
• Many experts suspect North Korea has samples of the smallpox virus.
• Many experts suspected North Korea had samples of the smallpox virus.
• Today, smallpox virus exists only in two laboratories, said Nakajima.
• Franz said he doubts terrorists have supplies of smallpox virus.
• Many bioterror fears have focused on the deadly smallpox virus.
• Health officials learned a lesson from what happened with the smallpox virus.
• The smallpox virus remains as the most notable member of the family.
• Smallpox virus devastated numerous societies throughout history before its eradication.
• After a reprieve, the smallpox virus seems headed for destruction after all.
• For ages, the smallpox virus struck humans, taking millions of lives.
• The smallpox vaccine does not contain the smallpox virus.
• It is based on vaccinia, a close but harmless relative of smallpox virus.
• A dispute continues on whether to preserve the smallpox virus itself for future study.
• Or release smallpox virus into the BART system.
• But you can only truly test a replacement for it against real smallpox virus.
• American officials fear that Iraq may have the smallpox virus and may use it.
• The last remaining laboratory stocks of smallpox virus are to be destroyed by 1999.
• The smallpox virus is released into the air when an infected person sneezes or coughs.
• Of these, experts agree, the smallpox virus is in a class by itself.