NewsHealthDelta variant, the point: who affects, symptoms, vaccines

Delta variant, the point: who affects, symptoms, vaccines


The Delta variant will dominate in the coming weeks, said Silvio Brusaferro, president of the Istituto Superiore di Sanità, during the press conference on data analysis of the COVID-19 regional monitoring of the control room. It can be up to 110% more contagious, then underlined the expert: “The increase in transmissibility of the Delta variant is estimated between + 33- + 110% and therefore in the worst scenario a transmissibility in the upper limit of 1.3 is assumed. “Average age of infections The average age of covid infections is now” 28 years “. “But the median age at first admission is also decreasing, which is 50 years. The median age for entry into intensive care remains slightly decreasing and the median age at death is a little more unstable and remains above 70. years “, is the picture drawn by the president of the secretary Vaccini. Opinions do not agree on the efficacy of vaccines against the Delta variant. Johnson & Johnson, Janssen’s single-dose Covid vaccine “demonstrated a durable immune response and generated neutralizing antibody responses against the Delta variant and other Sars-CoV-2 variants of concern.” J&J reports, communicating the interim results of a phase 1 / 2a substudy published in the ‘New England Journal of Medicine’ (Nejm). The efficacy of Pfizer vaccine against the Delta variant is “weaker” than officials hoped. sanitary. This was stated by Israeli Prime Minister Naftali Bennett who added: “We do not know exactly to what extent the vaccine helps, but it is significantly less”. With the Delta variant, today, “even if you are vaccinated you can be infected”. This variant, “even breaks the double vaccination course”, because “it confers a certain protection against serious illness and hospitalization” but “in 30-35% of cases it causes infection even in subjects who have received the second dose of vaccine,” let alone one “, said Walter Ricciardi, professor of General and Applied Hygiene at the Catholic University and scientific advisor to the Minister of Health Roberto Speranza. According to the EMA, the Delta variant at the end of August will represent 90% of cases of coronavirus in the EU. The vaccine mix is ​​presented as safe and effective, say the European Medicines Agency (Ema) and the European Center for Disease Prevention and Control (Ecdc), in a joint note, recall that “the Delta variant” of Sars-CoV-2 “is spreading rapidly in Europe and worries because it could hinder efforts to control the pandemic”. According to the Ema-Ecdc document, the Delta variant “is 40% to 60% more transmissible than the previous Alpha variant and may be associated with a higher risk of hospitalization”. The ECDC estimates “that by the end of August the Delta variant will represent 90% of all Sars-CoV-2 viruses circulating in the EU”. For this reason “it is essential for countries to speed up vaccination programs, including the administration of second doses where recommended, and to fill the population’s immune gaps as soon as possible.” Symptoms At the level of symptoms, the Delta variant appears to have more impact on the body . Coughs, colds, headaches and sore throats, fever, body aches, diarrhea, fatigue and exhaustion – the first signs of coronavirus in people – are usually stronger. And consequently the healing times are also affected.



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