Tests carried out on all the inhabitants of the Italian city Vo show that the antibody levels remain at least nine months after infection by SARS-CoV-2, either symptomatic or asymptomatic.
They have been seen by researchers from the
Padua University and the
Imperial College London that analyzed more than 85% of the 3,000 residents from Vo to detect infection with SARS-CoV-2, the virus that causes Covid-19.
The results, which are published in
«Nature Communications», show that 98.8% of people infected between February and March 2020 had detectable levels of antibodies in November of that same year. In addition, they found no differences between people who had suffered symptoms of