The infamous rats of may be more than just the city's more dubious attraction. Some experts fear they are the source of a new Covid variant.A team made up of researchers from A&M-San Antonio and Queensborough Community College in New York City believe that an unknown strain of the virus found in the city's wastewater could be rat-borne.The strain has amino-acid changes that seem consistent with rat-borne virus strains of the past, one researcher noted, birthing their theory.
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