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_______ can be injected in the form of a vaccine to stimulate the production of antitoxins and provide immunity. 

If smallpox virus were used as a biological weapon, the disease would spread rapidly because___________________. 

Which of the following types of toxins are produced only by Gram-negative bacteria?

Clostridium tetani causes tetanus due to the tetanus toxin. What type of toxin is the tetanus toxin?

______________ is a gram-positive clustered bacteria that is a part of the normal flora. It causes a wide variety of infections, ranging from non-life-threatening to life-threatening. 

Mycobacterium cannot be gram stained, instead we must use acid fast stain due to the outer layer of mycolic acid (waxy lipid layer). 

The most important vectors of human diseases are ________________. 

Select all that are transmitted by the Aedes mosquito? 

Patient came in contact with an armadillo and now has a slow progressing skin rash consising of raised bumps on the hands and feet with loss of sensation. The most likely cause of the rash is _______________. 

Use of the word “If” is a good way to identify which type of syllogism?