How to Use infectivity in a Sentence

infectivity

noun
  • Avoid cuts to the spinal column, which is where chronic wasting disease has been found to have the most infectivity.
    — Anton L. Delgado, The Arizona Republic, 29 May 2021
  • The battle between the two men exploded into a bitter divide over the question of the infectivity of cholera.
    — Jeanne Lenzer, Scientific American, 30 Nov. 2020
  • And because of its infectivity, Delta has been able to elbow out any other variants that otherwise might have spread more widely.
    — Los Angeles Times, 3 Dec. 2021
  • With a high-enough infectivity, the vaccine should spread throughout any populations of hosts that aren't sufficiently isolated.
    — John Timmer, Ars Technica, 29 July 2020
  • Nevertheless, the sheer infectivity of Omicron stretched some hospitals throughout the state to their limit.
    — Luke Money, Los Angeles Times, 28 Apr. 2022
  • There have been some optimistic indications that Omicron, despite its infectivity, may cause milder disease than some of the earlier variants.
    — Luke Money, Los Angeles Times, 22 Dec. 2021
  • Their study pinpoints, with unprecedented precision, exactly when in the disease course infectivity and symptom onset might be expected.
    — William A. Haseltine, Forbes, 15 Nov. 2021
  • The Institutes of Health has repeatedly maintained that its funding did not go to such research involving boosting the infectivity and lethality of a pathogen.
    — The Associated. Press, Arkansas Online, 29 Nov. 2021
  • The timeline may be slightly longer or shorter from person to person, but the general timeframe of infectivity to the development of symptoms is typically congruent.
    — William A. Haseltine, Forbes, 30 June 2022
  • For the moment, however, the company is limiting access due to concerns about the model’s potential for harmful outputs if asked to do something like optimize a virus’s infectivity.
    — ArsTechnica, 16 Apr. 2026
  • Patients treated with Lambda, which stimulates immune responses, were below the infectivity threshold by day 7 of the 14-day study.
    — Bloomberg.com, 14 Oct. 2020
  • People infected with Covid-19 generally go through an initial phase of infectivity that could be impacted by an antiviral.
    — NBC News, 16 Oct. 2020
  • In the mean time, scientists have looked over the mutations present in the new viral strain and speculated on which ones could potentially be providing it with enhanced infectivity or altering the course of infections.
    — John Timmer and Beth Mole, Ars Technica, 21 Dec. 2020
  • But infectivity and immune escape are also deeply intertwined, and determining their respective roles in viral spread is exceedingly challenging.
    — Charles Schmidt, Scientific American, 4 Apr. 2022
  • Lab studies found that mutations of the Ebola virus, which spread in West Africa starting in 2013, increased infectivity in tissue culture.
    — James Glanz, New York Times, 24 Nov. 2020
  • Because aerosol concentrations levels and infectivity are highest in the space immediately surrounding anyone with the virus, increasing physical distancing can help reduce risk.
    — Byron Erath, The Conversation, 19 Jan. 2021
  • In fact, such speculation was so prominent that some suggested the furin cleavage site was artificially inserted to increase the infectivity of the virus as part of a laboratory gain-of-function experiment.
    — William A. Haseltine, Forbes, 6 May 2022
  • When they are used frequently during this period of infectivity, Mina believes their sensitivity and performance would far exceed that of a single PCR test.
    — Carolyn Barber, Scientific American, 21 Aug. 2020
  • To better understand the virus's uncertain future, Wei and other researchers are examining the precise spots in its genome where these mutations are taking place, particularly the places that might boost infectivity and antibody evasion.
    — Molly Glick, Discover Magazine, 29 Sep. 2021
  • This combination of initial and recurring infectivity carries enormous implications.
    — Los Angeles Times, 5 July 2022
  • Concerns arise when mutations enhance virus infectivity, lethality or transmissibility.
    — Tribune News Service, oregonlive, 25 Dec. 2020
  • This change may increase the infectivity of the virus particles by facilitating cleavage of the S precursor protein to the active S1/S2 configuration.
    — William A. Haseltine, Forbes, 12 Apr. 2021
  • These mutations are sometimes inconsequential but often impact major viral characteristics including infectivity and immune evasion.
    — William A. Haseltine, Forbes, 6 July 2022
  • For example, one mutation widely touted this year—D614G—increases coronavirus replication and infectivity while also making the germ more vulnerable to neutralization by antibodies.
    — Maya Wei-Haas, Science, 23 Dec. 2020

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'infectivity.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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