April 01, 2021 The rollout of the COVID-19 vaccine in Europe is "unacceptably slow" as the number of new cases across the region increased for the sixth consecutive week, the World Health Organisation (WHO)'s European office warned on Thursday. — Courtesy file photo GENEVA — The rollout of the COVID-19 vaccine in Europe is "unacceptably slow" as the number of new cases across the region increased for the sixth consecutive week, the World Health Organisation (WHO)'s European office warned on Thursday. According to the UN agency, more than 1.6 million people contracted COVID-19 in WHO Europe's 51 countries last week — the sixth weekly rise in a row.