SARS-CoV-2, the virus that causes COVID-19, has weakened over time and could eventually die out without a vaccine, a top Italian infectious disease specialist recently told British outlet The Telegraph.

According to Professor Matteo Bassetti, head of the infectious diseases clinic at Italy’s Policlinico San Martino Hospital, the virus may have become less dangerous in recent months.

“The clinical impression I have is that the virus is changing in severity,” he told the outlet.
“In March and early April, the patterns were completely different. People were coming to the emergency department with a very difficult-to-manage illness, and they needed oxygen and ventilation; some developed pneumonia.”

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