The following are true regarding Lyme's Disease, except:-
Option 1, 2, 4 Lyme's disease Causative agent = B. burgdorferi Transmitted by bite of Ixodid ticks /Hard tick Replicates locally & invades locally Centre - periphery Erythema Chronicum migrans Annular rash / bull's eye. Associated with ch. ahritis Option 3 B. recurrentis: causes Relapsing fever Reason for relapse is antigenic variation, shown by its causative agent B. recurrentis.
lt is transmitted by ixodid tick.
Erythema chronicum migrans may be a clinical feature
Borrelia recurrentis is the aetiological agent
Rodents act as natural hosts
Systemic Bacteriology (Haemophilus, Yersinia, Spirochaetes, Ricketssia, Chlamydia, Mycoplasma and Miscellaneous Bacteria)