Ten outbreaks of Covid active “they are not a walk, but if we deal with these situations in a timely manner, I am optimistic: we will avoid a second wave in the fall”. The virologist Fabrizio Pregliasco maintains it in an interview with the Journal, specifying that “every regional health service must function efficiently and proactively, we must go to look for dangerous situations and make epidemiological investigations”. «Without exceeding in free everyone or in phobia – underlines Pregliasco -, one must make a systematic and common sense application of masks and distancing. And let’s not lose the habit of being a little far from strangers ». As for outbreaks and asymptomatic infections, «there is a possible and residual contagious capacity. And for them the quarantine must be kept until the buffer becomes negative. We must isolate them, we cannot say that because they are asymptomatic we can free them. Many positives have no symptoms. And as it happened in these outbreaks, if they had not identified them, they would still be around to infect on the trail. Even in my hospital, we discovered a positive lady who was swabbed before hospitalization. If we do not detect these cases, a new disaster could happen ».
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Among the asymptomatic, says the virologist, “the most dangerous are those who have no symptoms but are incubating the disease. And they are the most disturbing because they are certainly infectious “, while the weakly positive, those who have made coronavirus in the past,” some studies tell us that they are no longer contagious, even if the swab is positive, but there are also exceptions there . In addition, WHO tells us that after about 13 days of illness, one should no longer be infectious. Maybe. But, pending further confirmation, we must be as protective as possible. ” “This disease is multifaceted – he continues -. At first we saw the most serious cases and the asymptomatic ones did not detect them because we could not afford it. Now there are also many serological tests that reveal a portion of the positives, but we do not know if they have finished the disease cycle. The virus is still there, but with the containment measures it circulates less and therefore we see few cases. It is the law of large numbers: on a few patients, the serious one escapes us, but the majority is made up of trivial cases that we did not see before. We must – he concludes – with our responsible behavior and tracking work, that the outbreaks grow and that the virus regains strength ».
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