Housefly transmits all the diseases except

Consider the given statements and select the true ones $:-$
$(A)$ Health could be defined as a state of complete physical,mental and social well-being.
$(B)$ Pathogens can enter our body by various means,multiply and never interfere with the functions of organs/organ systems.
$(C)$ Salmonella typhi is a pathogenic virus which causes typhoid fever.
$(D)$ Plasmodium reproduces asexually in liver cells and $\text{RBC}$ of human.

What is responsible for the resistance of insects to insecticides?

Which of the following is correctly matched?

Which pair represents diseases spread through the air?

What are the various public health measures,which you would suggest as a safeguard against infectious diseases?