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Table 2 Prevalence rates of neutralizing antibodies in a rural population from Minas Gerais State, Brazil

From: Seroprevalence of Orthopoxvirus in rural Brazil: insights into anti-OPV immunity status and its implications for emergent zoonotic OPV

Interviewed

Prevalence rate (CI 95 %)

Overall

30.8 (25.3 - 36.9)

Vaccinateda (>35 years old)

53.1 (44.5 - 61.7)

Non-vaccinateda (≤35 years old)

6.1 (3.0 - 12.1)

Presence of vaccine takeb

 

Yes

57.1 (46.0 - 67.6)

No

18.4 (13.2 - 25.6)

  1. a: Vaccinated and non-vaccinated individuals were determined according to their age, which correspond that >35 years old participated of smallpox eradication campaign
  2. b: The presence of vaccine take were determined by examination on left arm of each individual
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