It is not possible to develop a vaccine for Covid-19 soon, as the RNA virus changes very quickly and this makes it difficult to create a good vaccine, said Claudio Colosio Unimi, a professor, at University of Milan in Italy.
Claudio as the director, Occupational Health Unit of the Hospitals Saints Paolo and Carlo of Milano, has been extensively handling the Covid-19 pandemic.
Claudio said there is no vaccine for HIV infection yet (and people still survive).
“Not very soon. RNA viruses change very quickly and this makes it difficult to create a good vaccine,” he said.
Elaborating on the Italian experience of Covid-19, — a possibility the population has developed herd immunity after experiencing the viral infection attack for close to 6 months — Claudio said, “No. Today the rate of immunization is in the order, depending on the areas, of 2-15 per cent. Very far from herd immunity.”
Italy was worst hit by coronavirus, currently the number of cases has reduced drastically from 5,000 to less than 300 cases a day.