The prevalence of the Omicron variant of the coronavirus is 4 times greater than that of the Delta variant, Dr Muna al-Maslamani, Medical Director of the Communicable Disease Center at Hamad Medical Corporation, has pointed out.
The Delta variant of Covid-19 is far more contagious than smallpox and virulent than other mutations of the virus, says a study recently published by Qatar Medical Journal and featured on QScience.
With a new wave of Covid-19 infections fueled by the Delta variant striking countries worldwide, disease experts are scrambling to learn whether the latest version of coronavirus is making people - mainly the unvaccinated - sicker than before.
The US Centers for Disease Control and Prevention (CDC) has described the Delta variant of the coronavirus to be as contagious as chickenpox and could cause severe illness, the New York Times reported, citing an internal CDC document.
The leader of Australia's New South Wales (NSW) state on Wednesday ordered a week-long extension of Sydney's Covid-19 lockdown, warning new cases are bound to rise as the country's biggest city grapples with the highly infectious Delta variant