Covid-19: As Delta spreads, new variant Epsilon emerges in 34 nations
Virendra Pandit New Delhi: Even as the Delta variant of SARS-CoV-2, causing Covid-19, has spread to over 130 countries, a new strain, Epsilon— vaccine-resistant and highly transmissible–has surfaced in 35 nations. It has also infected people in neighboring Pakistan where, as in the US and China, restrictions are being re-imposed due to an increase […]


