NEW DELHI, Sept. 25 -- A recent study by researchers at Moscow's RUDN University on why covid-19 spreads more among certain populations has everyone talking. Since late last year, when cases of the novel coronavirus were first detected in China, researchers have looked at the pandemic from different viewpoints. The researchers at RUDN University believe that the number of covid-19 cases in a country could be related to the use of aspirated consonants in the primary language of communication there.

Their paper is based on a 2003 study by Japanese researcher Sakae Inouye, who had correlated the spread of the original SARS virus with the language spoken by people who were infected. A total of 8,000 cases were recorded in 26 countries during t...