Covid: Scientists ask govt to restrict travellers from high-risk countries Wednesday April 28 2021 A health worker collects a swab samples for a RT-PCR COVID-19 Coronavirus test at a community centre in New Delhi on April 28, 2021. PHOTO/AFP Summary The variants are more transmissible and we see in countries such as India, young people are being greatly affected by the new coronavirus variants. Advertisement Scientists have asked the government to restrict travellers from countries with high prevalence of new variants of coronavirus to protect the country from the second wave of the pandemic. Dr Misaki Wayengera, the chairman of the Ministry of Health scientific advisory committee on Covid-19, yesterday highlighted Kenya, India and the United Kingdom among the countries that government should restrict.