Covid-19 is making headlines once again more than five years after the initial outbreak. Some reports are suggesting that this new strain now accounts for just over 10 percent of global infections, with cases now confirmed in Northern Ireland and Wales, and some experts have warned that this new variant is more transmissible the dominant strain worldwide.

GUEST: Professor Tulio de Oliveira, founding Director of the Centre for Epidemic Response and Innovation (CERI) at Stellenbosch University