Infection of pneumonia occurs due to
droplets released from an infected person
released droplets inhaled by healthy person
sharing contaminated object such as glasses and utensils with an infected person
all of the above
Salmonella typhosa causes
Diphtheria is caused by
Typhoid fever is caused by
$A$ : Typhoid carriers may be cured by surgical removal of their gall bladder.
$R$ : The disease germs remain concentrated in it.
Which one of the following sets includes the bacterial disease