Question

short note on rrickettcia 4 mark

Answer 1

Explanation:

The rickettsiae are a diverse collection of obligately intracellular Gram-negative bacteria found in ticks, lice, fleas, mites, chiggers, and mammals. 

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Answer 2

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$\huge{\boxed{ \green{ \:Rickettsiae}}}$

Answer:

The rickettsiae are a diverse collection of obligately intracellular Gram-negative bacteria found in ticks, lice, fleas, mites, chiggers, and mammals

They include the genera Rickettsiae, Ehrlichia, Orientia, and Coxielles

These zoonotic pathogens cause infections that disseminate in the blood to many organs.

$\huge{ \bold{ \underline{ \boxed{ \red{ \: Thank You}}}}}$