According to an article published in the medical journal Anaesthesia, the death rates for people with Covid in hospital Emergency Care Units has significant dropped since the early days of the infection.

The Blaze reports:

The research, led by Professor Tim Cook of England’s Royal United Hospitals Bath, revealed that the overall mortality rate of coronavirus ICU patients fell from approximately 60 percent since the end of March to 42 percent by the end of May.

The researchers attributed this in part to better care, as medical staff learned how to more effectively treat Coronavirus patients.

READ: COVID-19 patients’ ICU death rates are quickly dropping: Study

There may also be another explanation. In early June, a top Italian doctor, Dr. Matteo Bassetti, reported that, “the strength the virus had two months ago is not the same strength it has today.” READ: Coronavirus becoming much less lethal, virus is losing its ‘potency,’ top doctor reveals