The coronavirus pandemic fell out of the headlines many months ago, but in recent days it has returned: a new strain of the virus was discovered in Great Britain, and in New York a number of infections that had not been seen in a long time were reported. "The new strain came from several countries, but it was located in the UK," Professor Cyrille Cohen, an expert on the immune system from Bar-Ilan University, told Ynet Live. "The name given to it is 'Eris', and it is a descendant of the strains that currently rule the world - the XBB....