1. Early recognition by clinicians of illnesses suggesting a biological attack is integral to the public health response. 2. The four biological agents of most concern are smallpox virus, botulinum toxin, and anthrax and plague bacteria. 3. Smallpox is distinguishable from chickenpox by the ...
a There is no known nonhuman animal host for the virus that causes smallpox. b Inoculation with live vaccinia virus is used to prevent smallpox; naturally occurring infections with Vaccinia virus occur in Brazil. The distinctive features of poxviruses include their size, shape, nucleic acid compo...
1 This initial infection of the respiratory-tract mucosa produces no symptoms or identifiable lesions. After replicating in the respiratory epithelium, the virus is taken up by Clinical presentation, differential diagnosis, and assessment of suspected smallpox cases Variola major had a case-fatality ...
Is smallpox a DNA or RNA virus?Eradication of a Disease:The eradication of a disease is the complete removal of that disease from a population and all possible reservoirs from which it could return. It is considered to be a major public health achievement....
Increasing numbers of surgeons began using antiseptic methods, even though many still did not believe that microorganisms, or germs, caused disease. A girl gets an inoculation. Inoculation is the injection of dead or weakened disease-causing bacteria or viruses into the human body in order to ...
Is the bubonic plague airborne? Was cholera a pandemic or epidemic? Was the measles outbreak in Washington state an epidemic? In the Columbian Exchange, diseases such as smallpox resulted in Was the bubonic plague a virus? Did the Indigenous people give Europeans smallpox?
Figure 1.A transmission electron micrograph of a tissue section containing variola viruses. Transmission:The usual entry of smallpox virus is through the respiratory tract with infection of the oropharyngeal (mouth) or respiratory (trachea and lung) mucosa. Secretions from the mouth and nose, rather...
9. Smallpox is a very serious infection which is caused by a virus named variola, which is a member of the poxvirus family. 天花是一种非常严重的感染是由病毒引起的命名天花,这是一个会员的痘病毒家族。 10. I'm immune to smallpox as a result of vaccination. 我种过牛痘了,所以对天花有免疫...
1.any preparation of weakened or killed bacteria or viruses introduced into the body to prevent a disease by stimulating antibodies against it. 2.the virus of cowpox, used in vaccination, obtained from pox vesicles of a cow or person.
Herpes viruses are double strand DNA viruses that provoke a series of diseases in Man. Of importance are the connections between the herpes virus type 2 an... B Koehler,K Schumacher,L Gaertner 被引量: 0发表: 1976年 [Subcutaneous smallpox vaccination; is the subcutaneous vaccination inferior to...