The U.S. Centers for Disease Control and Prevention (CDC) has described the Delta variant of the coronavirus as being as transmissible as chickenpox and cautioned it could cause severe disease.
- The U.S. Centers for Disease Control and Prevention has described the Delta variant of the coronavirus as being as transmissible as chickenpox and cautioned it could cause severe disease, the Washington Post said, citing an internal CDC document.
Still, the CDC's figures show that the vaccines are highly effective in preventing serious illness, hospitalisation and death. On Tuesday, the CDC reversed course on guidance for mask wearing, reinstituting them as a precaution against the possible transmission of the virus by fully vaccinated people.
The findings may stir debate about whether masks, social distancing and other measures may again be needed even in countries with broad vaccination campaigns and where lockdown restrictions have eased. The Delta variant is more transmissible than the SARS-CoV-2 ancestral strain as well as the viruses that cause MERS, SARS, Ebola, the common cold, the seasonal flu and smallpox, the report said. It said it was as transmissible as chickenpox, a highly contagious infection common in children that causes itchy rashes.
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