CEPI Tweet: “We are about to announce a vaccine program that includes other parts of the SARS-CoV-223 Oct 2021 22:30
CONTINUATION OF LAST POST:_
Is it possible to imagine that there will be a universal vaccine against all coronaviruses? "Several virologists think that it may be easier to arrive at a universal vaccine against coronaviruses than a universal vaccine for influenza, something that has been tried for many years but we do not have yet. If we succeed, coronaviruses would no longer be a threat. And Covid is certainly not the worst: when I worked for the Bush White House, the Centers for Disease Control and Prevention issued a pandemic severity index modeled on that of hurricanes, with five categories, beatings on lethality and the number of victims : Covid is only category 2 or 3 in this model. We know that there are other SARS and MERS-type coronaviruses with a lethality rate 20-50 times greater than Covid, so I think the search for a universal vaccine is really important. We have proof that it is possible to obtain a universal vaccine for a viral family, for example the one we use against smallpox protects against all the viruses of the Orthopoxvirus family ».
How should we imagine the future: continuous recalls of the coronavirus vaccine? "Some vaccines provide lifelong immunity, others require boosters every 10 or 5 years, and still others, like the flu, are annual. One possibility, if it comes to developing a vaccine that produces lasting immunity, that works against several variants, is to have boosters every 5-10 years. We are also studying the mix and match approach, that is, what happens if people use one vaccine and make a booster with another: initial studies show that mixing, at least in certain combinations, can generate greater protection. In the next few years we will optimize the vaccines we already have and perhaps in this way we will be able to achieve long-lasting immunity, but research is needed to prove this. There are potentially several ways to overcome the current situation of having to call back every 6 months. This is why we must continue to invest in research and development, while at the same time making sure that vaccines are accessible to the entire population ".
There are still many difficulties in equitable access to vaccines around the world. Do you think that local production on continents such as Africa can help? “I don't think it will be part of the solution right now, because it's something that takes time. But in the future, yes. Inequalities in vaccine distribution are linked to concentrated production in the United States, Europe, India and China, which have large populations to serve. We will have to create a more localized production system that allows greater self-sufficiency ».