Fill in the blanks:
(i) Typhoid fever could be confirmed by _____.
(ii) ____ responsible for disease pneumonia.
(iii) Malignant malaria is caused by____.
(iv) ______is the vector of disease like dengue and chikungunya.
(v) The yellowish fluid _____secreted by mother during initial days of lactation has abundant antibodies (IgA) to protect the infant.