Question

Diseases transmitted from an infected person to a healthy person are called as.

Answer 1

Hint: They are the diseases that are transmitted from an infected person to a healthy person through direct contact or through certain microorganisms that include bacteria, viruses, etc. They are highly contagious and transmit at a very fast rate.

Complete answer:
The infectious (contagious) disease is a category of transmissible disease that is spread to other individuals, either by physical contact with the person suffering from the disease or through casual contact with the individual, among other routes, with their secretions or by objects affected by them, or by air. Contagiousness differs across diseases. It may be known that disease is infectious, but its causative variables remain undetermined. If the incubation time is long, contagion can be more infectious.
When an infected individual sneezes or coughs, indirect contact infections propagate, releasing infectious droplets into the air. They risk getting sick if the infectious droplets are inhaled by healthy people or if the contaminated droplets fall directly through their eyes, nose, or mouth. Droplets usually fly between three and six feet and land on surfaces or items like tables, doorknobs, and telephones. Healthy people use their hands to touch infected items and then touch their eyes, nose, or mouth.
Indirect transmission refers to the movement, through suspended air particles, inanimate objects (vehicles), or animate intermediaries (vectors), of an infectious agent from a reservoir to a host.
By comparison, non-contagious infections typically involve a special mode of transmission between individuals or hosts. This includes the need for intermediate vector species (malaria-carrying mosquitoes) or the need for non-causal bodily fluid transfer (such as transfusions, needle sharing, or sexual contact).

Note:
Health tells us about the state of mental, physical, and psychological well-being of an individual. While the disease is the condition that tells us about the abnormal dysfunctioning of the mental-physical states resulting in various illnesses. The other term used commonly is disease-free. A person who is devoid of any diseases is usually said to be disease-free.