study suggests coronavirus emerged less earlier than thought.
study suggests coronavirus emerged less earlier than thought.
italian researchers told reuters in march that they reported a higher than usual number of cases of severe pneumonia and flu in lombardy in the last quarter of 2019 in a sign that the new coronavirus might have circulated earlier than previously thought.", "more evidence for the origin of the novel coronavirus has come from other viruses that scientists have found in animals.", "at the hospital del mar earlier this month.credit...david ramos/getty images by carl zimmer and raphael minder published june 26, 2020updated july 23, 2020 in a study not yet published in a journal, scientists have reported that the new coronavirus was present in wastewater in barcelona, spain in march 2019, a finding that, if confirmed, would show that the pathogen had emerged much earlier than previously thought."


































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