There was only one peak in the epidemic curve of a disease, and all
cases are concentrated in the common incubation period of the
disease, then the disease transmission mode maybe ( ).
A: both
homologous and continuous
B: common source epidemic
C: mixed type
D: human to human
E: unable to judge
cases are concentrated in the common incubation period of the
disease, then the disease transmission mode maybe ( ).
A: both
homologous and continuous
B: common source epidemic
C: mixed type
D: human to human
E: unable to judge
B
举一反三
- The<br/>three basic links in epidemic process refer to (). A: The<br/>source of infection B: Factors of transmission C: The<br/>route of transmission D: The susceptible population E: Transmission<br/>mode
- The earliest discovery of human beings and the most common chromosomal disease in clinic, is the following:
- An<br/>outbreak( ) of disease in a bird population is called () A: epidemic B: endemic C: sporadic D: Epornithic
- The basic features of infectious disease are A: There are infectivity, pathogen, epidemic, immunity. B: There are infectivity, patients, immunity, epidemic. C: There are source of infection, route of transmission, susceptibility, immunity. D: There are infectivity, epidemic, endemic, relapse. E: There are pathogen, reinfection, epidemic, immunity.
- Which term refers to the number of new cases of an infectious disease in a given area or population during a given period of time? A: prevalence: B: incidence, C: epidemic, D: endemic
内容
- 0
Which one is not the common oral disease in the following options?_
- 1
What is the best descriptor of the usual presence of a disease in the human population in a given geographic area() A: Sporadic B: Endemic C: Outbreak D: Epidemic E: Pandemic F: Risk factor
- 2
The<br/>most common etiology of the infectious myocarditis is:() A: Rickettsial<br/>myocarditis B: Viral<br/>myocarditis C: Diphtheritic<br/>myocarditis D: Chagas<br/>disease E: Giant<br/>cell myocarditis
- 3
The ______ reaction to the looming threat of the outbreak of any epidemic disease is to identify and separate all the suspected cases.
- 4
Which of the following is the first infectious disease exterminated<br/>by human through vaccination? ( ) A: Smallpox B: poliomyelitis C: HCV D: SARS-CoV