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Vocabulary Entry
infectious
|adjective • noun
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A
adjective
Capable of causing infection or spreading disease.
Example Sentences
"The doctor warned that the virus is highly infectious."
"Infectious diseases can spread rapidly in crowded places."
"Proper hygiene can help prevent the spread of infectious illnesses."
N
noun
A disease that can be transmitted from one individual to another.
Example Sentences
"The doctor diagnosed her with an infectious."
"We need to be cautious around those with infectious."
"Vaccination can help prevent many infectious."