Alliance for Pandemic Preparedness

July 21, 2020

Population Point Prevalence of SARS-CoV-2 Infection Based on a Statewide Random Sample — Indiana, April 25–29, 2020

Category:

Topic:

  • A state-wide study from Indiana conducted on a random statewide sample of non-institutionalized residents (12 years or older) from April 25-29 (n=3,658, representing a 24% response rate) estimated the prevalence of active infection, based on RT-PCR testing, was 1.7%, with 44% reporting no positive symptoms in the preceding two weeks. Estimated seropositivity was 1.1%, bringing overall prevalence of current and previous infections to 2.8%.  Overall prevalence was significantly higher among Hispanic respondents (8.3%), and among individuals reporting a household member who had previously been told they had COVID-19 (33.6%). Among a non-random sample recruited from a more racially and ethnically diverse group, 22.8% were positive by RT-PCR (20% asymptomatic) and 5.8% were seropositive.  

Menachemi et al. (July 21, 2020). Population Point Prevalence of SARS-CoV-2 Infection Based on a Statewide Random Sample — Indiana, April 25–29, 2020. MMWR. https://doi.org/10.15585/mmwr.mm6929e1