Define an infectious disease. Give any one example of it.
(N/A) An infectious disease is a disease caused by pathogens (such as bacteria,viruses,fungi,or parasites) that can spread from an infected person to a healthy person through various modes of transmission like air,water,food,or physical contact.
Example: $Common \ cold$ or $Chickenpox$.
Example: $Common \ cold$ or $Chickenpox$.
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Similar Questions
Study the given chart carefully and fill in the blanks $(a)$,$(b)$,and $(c)$:
$S$.No. Name of the disease Causative organism Mode of transmission $1$. Polio $(a)$ Infection of virus directly/orally $2$. $(b)$ Lyssa virus Virus enters human body with saliva of an infected animal $3$. Typhoid Salmonella typhi $(c)$
| $S$.No. | Name of the disease | Causative organism | Mode of transmission |
|---|---|---|---|
| $1$. Polio | $(a)$ | Infection of virus directly/orally | |
| $2$. $(b)$ | Lyssa virus | Virus enters human body with saliva of an infected animal | |
| $3$. Typhoid | Salmonella typhi | $(c)$ |
Medium
View SolutionAssociate the following diseases/infections with their causative agents:
$(a)$ Sleeping sickness
$(b)$ $SARS$
$(c)$ Kala-azar
$(d)$ Acne
$(e)$ $AIDS$
$(f)$ Dengue fever
$(g)$ Malaria
$(h)$ Brain fever
$(i)$ Chickenpox
$(j)$ Polio
$(a)$ Sleeping sickness
$(b)$ $SARS$
$(c)$ Kala-azar
$(d)$ Acne
$(e)$ $AIDS$
$(f)$ Dengue fever
$(g)$ Malaria
$(h)$ Brain fever
$(i)$ Chickenpox
$(j)$ Polio
Medium
View SolutionIf you live in an overcrowded and poorly ventilated house,it is possible that you may suffer from which of the following diseases?
Easy
View Solution$(a)$ State the method of transmission of each of the following diseases:
$(i)$ Cholera
$(ii)$ $AIDS$
$(iii)$ Malaria
$(iv)$ Pneumonia
$(b)$ Name the disease a person will get if the pathogen targets the liver of a person.
$(i)$ Cholera
$(ii)$ $AIDS$
$(iii)$ Malaria
$(iv)$ Pneumonia
$(b)$ Name the disease a person will get if the pathogen targets the liver of a person.
Medium
View SolutionWrite the cause,symptoms,and prevention of $AIDS$.
Medium
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