Prevalence of SARS-CoV-2, Verona, Italy, April-May 2020

Emerg Infect Dis. 2021 Jan;27(1):229-232. doi: 10.3201/eid2701.202740. Epub 2020 Dec 1.

Abstract

We used random sampling to estimate the prevalence of severe acute respiratory syndrome coronavirus 2 infection in Verona, Italy. Of 1,515 participants, 2.6% tested positive by serologic assay and 0.7% by reverse transcription PCR. We used latent class analysis to estimate a 3.0% probability of infection and 2.0% death rate.

Keywords: 2019 novel coronavirus disease; COVID-19; IgG; Italy; RT-PCR; SARS-CoV-2; coronavirus; coronavirus disease; latent class analysis; random sample survey; respiratory infections; severe acute respiratory syndrome coronavirus 2; viruses; zoonoses.

MeSH terms

  • Adult
  • Aged
  • COVID-19 / blood
  • COVID-19 / epidemiology*
  • COVID-19 / virology
  • Female
  • Humans
  • Italy / epidemiology
  • Male
  • Middle Aged
  • Prevalence
  • Reverse Transcriptase Polymerase Chain Reaction*
  • SARS-CoV-2 / isolation & purification*
  • Serologic Tests*