An Italian researcher’s study about coronavirus reveals another important point that antibodies against coronavirus remained in the blood of patients with Covid-19 for at least eight months after they were infected. According to a statement from the San Raffaele hospital in Milan "regardless of the severity of the illness, the age of the patients or the presence of other pathologies,".

Here it is to be noted that the researchers, working with Italy's ISS national health institute, studied 162 patients with symptomatic coronavirus who turned up at the emergency room during the country's first wave of infections last year. Blood samples were taken in March and April and again at the end of November from those who survived. Some 29 patients died. The study, published in the Nature Communications scientific journal, also emphasised the importance of the development of antibodies in recovering from coronavirus.

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