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Third COVID-19 vaccine dose

Third COVID-19 vaccine dose has been studied in 1 paper since 2022: 1 observational study in people. The newest paper, May 12, 2022: “Older Adults Mount Less Durable Humoral Responses to Two Doses of COVID-19 mRNA Vaccine but Strong Initial Responses to a Third Dose”.

Exposure

1 paper studies it2 findingsUpdated

See all 1

“One month after the third dose, antibody concentrations and function exceeded post-second-dose levels”
Older Adults Mount Less Durable Humoral Responses to Two Doses of COVID-19 mRNA Vaccine but Strong Initial Responses to a Third DoseThe Journal of infectious diseases2022doi:10.1093/infdis/jiac199

None of its findings points the other way.

C, W, M, H: cells, worms or flies, mice, humans. Dark: independent labs found the same change there. Light: one lab or one study. Outline: nothing yet.

  • 1 lab in 1 country
  • Funders: African Academy of Sciences and others
  • Humans1

What did studies of Third COVID-19 vaccine dose find?

1

Studies of Third COVID-19 vaccine dose measured 1 outcome; the most studied are humoral immunity (1 study).

humoral immunity

upin humans1

1 study

  1. Third COVID-19 vaccine dose improves humoral immunity in humans.

    “Nevertheless, after 3 doses, anti-omicron responses in older adults reached equivalence to those in younger adults.”

    Humans3 doses

    Older Adults Mount Less Durable Humoral Responses to Two Doses of COVID-19 mRNA Vaccine but Strong Initial Responses to a Third Dose

    The Journal of infectious diseases

  2. Third COVID-19 vaccine dose increases humoral immunity in humans.

    “One month after the third dose, antibody concentrations and function exceeded post-second-dose levels”

    Humans1 month

    Older Adults Mount Less Durable Humoral Responses to Two Doses of COVID-19 mRNA Vaccine but Strong Initial Responses to a Third Dose

    The Journal of infectious diseases

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