Healthcare Study shows seroprevalence of antibodies in 51.5% samples Updated : August 18, 2020 01:30 PM IST The survey also indicated a higher prevalence of sero-positivity in users of shared toilets (62.3 percent) compared to users of independent toilets (45.3 percent). Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.