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Post vaccine infections are 1-2% but mild

2021-06-19T07:23:09.589Z


Cases of reinfection with SarsCov2 after vaccination are also reported in Italy, but these are not serious cases. Reports of this type also come from Great Britain and Belgium. (HANDLE)


Cases of reinfection with SarsCov2 after vaccination are also reported in Italy, but these are not serious cases.

Reports of this type also come from Great Britain and Belgium.

A phenomenon that worries but, at the same time, indicates how vaccination plays an important role in containing the severity of the disease.

The virologist Fabrizio Pregliasco of the University of Milan is focusing attention on post-vaccination reinfections, despite the lack of official and statistically relevant data: "According to estimates in our vaccination center at the Galeazzi Institute in Milan - he says to ANSA - we found a percentage equal to 1-2% of reinfections after the second dose of anti-Covid Pfizer vaccine. However, these are not serious forms ". In these cases, explains the expert, "we observed that it is a much weaker and uncomplicated reinfection, and in most situations due to the Alpha variant, previously called the English variant. The reinfection was detected at a distance of 1 -2 months from the completion of the vaccination cycle ".

In recent days, moreover, "a case of post-vaccine reinfection from the Delta (Indian) variant was also detected in Lombardy. The positive data - he underlines - is that in any case the reinfections are mild, therefore this indicates an efficacy of the vaccine in mitigating the impact of reinfection itself ". According to Pregliasco, this data therefore demonstrates that "despite the possible margin of reinfection, the effectiveness of the vaccine is there and the objective is in any case to avoid serious illness".

The conclusion, comments the virologist, is that the "vaccine is needed and this to reduce what may be the future tail blow in light of the possible onset and spread in Italy, very likely, of the Delta variant. This is because the vaccine is the the only possibility to prevent a heavy impact from a clinical point of view on hospital structures. The important thing, from a public health point of view, is, in fact, first of all to avoid serious cases ". With respect to the variants, he warns, "a third vaccination with updated vaccines against mutations is now essential, to be carried out by 2022". Meanwhile, a Belgian study conducted by Sciensano, the National Institute of Public Health, showed that out of a total of over one million and 400 thousand defined people 'fully immunized ', 0.32% became infected. In the work conducted by the Belgian institute, a predominance of the alpha variant (formerly 'English') was noted for 86.1%, followed by the beta (formerly 'Brazilian) for 6.2% and the gamma (formerly' South African ') for 3.6%. (HANDLE).


Source: ansa

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