Pronunciation: /ɪnˌfɛktɪvəti/
noun the capacity of a microorganism to cause infection
A1 The doctor explained the infectivity of the virus in simple terms.
A2 The students learned about the infectivity of different diseases in their biology class.
B1 Researchers are studying the infectivity of the new strain of the flu virus.
B2 The infectivity of the bacteria was measured by the rate at which it spread in the lab.
C1 The scientist published a paper on the infectivity of airborne pathogens.
C2 The team of experts conducted a detailed analysis of the infectivity of the virus in various populations.
adjective describing the ability of a microorganism to infect
A1 The doctor explained that the infectivity of the virus was very high.
A2 The infectivity rate of the flu virus is concerning.
B1 Scientists are studying the infectivity of different strains of bacteria.
B2 The infectivity of the new strain of the virus is still unknown.
C1 Researchers are analyzing the infectivity patterns of the disease in different populations.
C2 The infectivity of the pathogen is a key factor in determining the spread of the disease.
formal The infectivity of the virus is a major concern for public health officials.
informal The infectivity of this flu strain is no joke, so make sure to wash your hands frequently.
slang Dude, the infectivity of this thing is off the charts. Stay safe out there.
figurative His negativity has an infectivity that can bring down the whole team if we're not careful.
infected
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more infective
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