Guidelines in Ireland drawn up in 2015 recommend that HBV testing should be undertaken on both new immigrants from countries with a HBV prevalence of 2 per cent or greater and on immigrant women attending antenatal clinics. Photograph: iStock

In 1956, New York paediatrician Prof Saul Krugman investigated a problem at the Willowbrook State School, Staten Island, home to 4,000 mentally disabl(...)