Which diseases are spread by the $Aedes$ mosquito?

Consider the following statements:
$I.$ People should get vaccinated to avoid infection.
$II.$ Vaccination is available against polio,cholera,typhoid,tuberculosis,and many other diseases.
$III.$ Eradication of vectors is necessary for diseases like malaria and filariasis.
$IV.$ Dengue and chikungunya are both spread by $Culex$ mosquitoes.
Which of the statements given above are correct?

When were Fleming,Chain,and Florey awarded the Nobel Prize for their research?

Match the following diseases with their causative organisms and select the correct option.

Column-$I$ (Disease)	Column-$II$ (Causative Organism)
$(a)$ Typhoid	$(i)$ Wuchereria
$(b)$ Pneumonia	$(ii)$ Plasmodium
$(c)$ Filariasis	$(iii)$ Salmonella
$(d)$ Malaria	$(iv)$ Haemophilus

Which method is used to identify pathogens by amplifying their nucleic acids?

$NCCP$ stands for: