Home » Third dose Covid vaccine: this is what doctors, virologists and authorities say – breaking latest news

Third dose Covid vaccine: this is what doctors, virologists and authorities say – breaking latest news

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Rome, 31 May 2021 – From Thursday Covid vaccines at all ages, but there is already talk of the possible need for a third dose. The Minister of Health Roberto Speranza foresees that it will be necessary. “It will be very likely that we will have to do a third dose of the vaccine, a booster that will probably be ‘modified’ to cover the variants. We will therefore have to move from an extraordinary phase to an ordinary phase and I think that this new ordinariness can be entrusted to our extraordinary network of general practitioners “, he said yesterday to ‘Che tempo che fa on Rai3. But what experts, doctors, virologists and authorities say on the third dose? Here is a summary of positions and forecasts.

Summary

Before deciding whether a third dose of the anti-Covid vaccine will be needed, “it will be necessary to understand how long the immune response induced by the vaccine already made lasts and what the circulation of variants will be at the time of the decision. on the updated vaccine, not just on the repeat vaccine, “he says Massimo Galli, director of the Institute of Infectious Diseases of the Sacco hospital in Milan, State University.




The seasonality of Covid-19, “in itself, is a theory that does not convince me. The fact, however, is that we arrive this season in a good situation”, also because “we live more outdoors and usually you get out of a lockdown, so the virus runs less “. So it is at this moment that “we need to prepare very, very seriously for October”, he urges Guido Rasi, former executive director of the European drug agency Ema, today consultant to the commissioner for the coronavirus emergency. Three moves suggested by the expert, who spoke at ‘Agorà’ on Rai3: trace all the cases, sequence the virus to monitor its variants, and – in fact – verify immunity to possibly plan a third dose of vaccine. Now that the incidence has returned to around 50 cases per 100 thousand inhabitants – he says – “tracing can be resumed. Tracing can and must be done – insists Rasi – sequences of the few cases must be made because there the variants are intercepted. , and you have to do a minimum of serology for see who is immune and who is not, and whether to take this third dose famous “of vaccine” and when “. By now” we have learned: at this point the tracing is done, the sequences are made on the tracing and the future strategy is decided on the sequences “.

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On the need or not to think about a future vaccination against Covid, “as usual we groped in the confusion”, between “those who say to do it and those not to do it. My invitation is to speak not for personal hypotheses, but in based on concrete scientific data. Let’s wait for them before expressing ourselves“, urges the microbiologist Maria Rita Gismondo, director of the Laboratory of clinical microbiology, virology and bio-emergency diagnostics of the Sacco hospital in Milan. “The only thing that will be able to tell us with certainty whether a third dose” of the vaccine, or a second one for the single dose, “will be needed – underlines the expert at beraking latest news Health – will be the result of scientific research. These studies are in progress. Personally I believe they will confirm the need for another dose, because as far as we know for sure at the moment the vaccine does not cover for over 8-9 months. But before we say it, let’s wait for the new data “.

It is difficult to give certainty about the possibility that a third dose of the anti-Covid vaccine will be foreseen for everyone. “It is likely, I say this as a doctor, even if we await the results of the studies to be sure”, said Undersecretary of Health. Pierpaolo Sileri, at ‘The Breakfast Club’ on Radio Capital. “Today we have data on the vaccines they have a 9 month story, because they arrived in November-December – he stressed -. So the studies we have on the duration of coverage are these. We should wait longer to find out if the expected duration of one year will be confirmed. Or maybe more than a year. Based on these data we would be able to say if a third dose is needed which, perhaps, could also cover other variants “, concluded Sileri.

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“It is a prudent attitude to assess that, if the Covid immunization is not as durable as for other vaccines, it should be planned that within 9-12 months there is another administration. That family doctors do it is the most logical thing, as is the case with the flu. But on condition that the workloads are taken into account, “said the president of the Federation of Medical Orders Filippo Anelli. Which asks for the opening of a trade union-Minister of Health table because “to organize everything in the ordinary way, general medicine must be strengthened and an agreement must be entered into”.

However, the doubts remain many. Just a few days, a tweet fromMom stated: “Preliminary data on the duration of immunity, which could be up to a year or more, does not currently show the need for a third dose, but more evidence is needed.” And finally: “In contact with the main producers of anti-Covid vaccines to address the issue of variants” of Sars-Cov-2 and “evaluate the best strategy for a possible third dose”. So everyone agrees on one thing: further data and analysis are needed to identify the correct strategy.




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