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Which of the following is a facultative, rather than obligate, intracellular pathogen? Multiple Choice 0 Brucella abortus 0 Chlamydia spp. 0 Rickettsia rickettsi 0 All of the choices are correct One example of infectious disease transmission by a fomite is Multiple Choice O a baby born with congenital syphills from an Infected mother O a child developing a cold after playing with a toy that harbored rhinovirus O a teenager with severe acne due to propionibacteria growing in sebaceous glands O None of the choices are correct.

Answer :

Brucella abortus is a facultative, rather than obligate, intracellular pathogen, which suggests that option A is the right answer.

One example of infectious disease transmission by a fomite is a child developing a cold after playing with a toy that harbored rhinovirus, which means option B is the right answer. Brucella abortus is a Gram-negative bacteria. It is caused in humans due to the consumption of dairy products obtained from infected animals such as cows, buffaloes, goat etc. Pathogens are disease causing microorganism which live inside the host body and adversely affects their immune system. This characteristic feature is termed as virulence. Pathogens can be virus, bacteria, fungi etc. Rhinovirus are flu causing virus that cause symptoms such as Coughing, sneezing, hoarseness, facial pressure in adults and infants.  

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