Agriculture & Biology
antibodies
4%
Denmark
71%
fever
6%
health services
27%
hematophagous arthropods
10%
history
50%
infection
17%
influenza
7%
interviews
6%
laboratory diagnosis
9%
medical records
9%
public health
6%
Rickettsia
16%
rickettsial diseases
100%
signs and symptoms (animals and humans)
12%
South Africa
5%
Southern Africa
7%
telephones
8%
tick bites
9%
ticks
12%
travel
69%
vasculitis
9%
Medicine & Life Sciences
Anti-Idiotypic Antibodies
5%
Arthropods
8%
Clinical Laboratory Techniques
7%
Databases
3%
Denmark
70%
History
49%
Hospital Records
7%
Imported Communicable Diseases
21%
Infections
6%
Interviews
4%
Medical Records
5%
Mortality
3%
Primary Health Care
20%
Public Health
4%
Registries
5%
Rickettsia
27%
Serum
3%
South Africa
6%
Southern Africa
9%
Spotted Fever Group Rickettsiosis
9%
Ticks
15%
Travel-Related Illness
11%
Vasculitis
6%