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900 population of Israel as one of the countries with the highest vaccination level, is also the first country to completely release the epidemic control, but in the face of COVID-19 delta virus, the epidemic has rebounded. Novel coronavirus pneumonia confirmed in Israel on August 20th evening, the latest data released by the Ministry of health in Israel showed that 7605 cases were diagnosed in new crown pneumonia in August 19th from 20 to 20 on August 19th, 18 hours. p> < p > according to the data of Johns Hopkins University, the positive rate of all nucleic acid testing people in Israel reached 5.5% on August 18, which was only 0.3% at the end of May. The second outbreak of the epidemic in Israel also sounded the alarm of delta mutant strain for all countries < p > previous studies from various countries have shown that although vaccination can reduce the incidence of critical illness and death, delta variant is easier to spread among people who have been vaccinated with new crown than other new crown variants < p > the research published by the Chinese research team on the medical preprint website shows that the load of the new crown delta strain is 1260 times that of the original new crown strain. According to the internal documents of the U.S. Centers for Disease Control and Prevention (CDC), delta virus spreads rapidly, the basic infection number R0 can be as high as 8 to 9, and it is more likely to cause severe diseases. This means that the transmission power of delta strain is far more powerful than that of Xinguan original strain, SARS, smallpox and other viruses < p > Israel is one of the countries with the highest vaccination level in the world. 78% of people aged 12 and over have been fully vaccinated, and most of them have been vaccinated with Pfizer mRNA vaccine. However, Israel is also one of the countries with the highest rate of infection in the world, with nearly 650 new cases per million people per day, and more than half of them are fully vaccinated people. This highlights the transmissibility of delta mutant strain, which has a strong ability of breakthrough infection. Breakthrough infection refers to the situation that the vaccinator is still infected more than 14 days after the complete vaccination < p > the situation in Israel also shows that the protective effect of vaccination gradually decreases over time - Israel is the first country in the world to promote the new crown vaccine, which has been rapidly promoted since December 2020. However, a report released by the Israeli Ministry of health in July said that the protection rate of those who had previously completed two doses of Pfizer mRNA vaccine from late June to late July was only 39%, compared with the data from January to April 2021, the protection rate of the vaccine against other variant strains was as high as 95% < p > A Study of 19109 British cases published in the New England Journal of medicine in August showed that the effectiveness of one dose of vaccine for alpha variant and delta variant was 12% to 19%. However, there was no significant difference in the protection rate of the two vaccines against the two variants < p > the report also shows that complete vaccination still has a good effect on reducing critical diseases. The report shows that the effective rate of the vaccine for hospitalized cases is 88% and for serious diseases is 91%. This is similar to the previous study of 4920 patient samples in the Houston Methodist Hospital system. The study was conducted when the delta variant accounted for the majority of new crown cases. The results showed that complete vaccination had a positive effect on reducing severe new crown cases, hospitalizations and deaths < p > the results showed that the risk of breakthrough infection with early vaccine increased by 53%. When the results were stratified by age, similar trends were found in all age groups. In addition, compared with individuals vaccinated in April 2021, the risk of breakthrough infection after vaccination in January 2021 increased by 2.26 times < p > "for the government and the Ministry of health, the most terrible thing is the burden of hospitals". Said Dror mevorach, a doctor at Hadassah Hospital and a professor of medicine at the Hebrew University of Jerusalem“ The staff are exhausted ". Mevorach carried out weekly support group activities for them, "to avoid some PTSD (post-traumatic stress disorder) response." < p > in order to control the surge of new coronal cases, Israel has turned to intensive needle injection for its nationals. Since 30 July, Israel has started to inject a third dose of vaccine for people over the age of 60. On 13 August, this vaccination coverage was extended to nationals aged 50 and over. According to the Israeli Ministry of health, as of August 17, more than 1.13 million Israelis had received the third dose of neocrown vaccine < p > < p > the surge of delta virus cases still attracts the attention of many countries to strengthen acupuncture. The UK initially plans to provide vaccines to people over the age of 50 and other high-risk groups from September. A number of senior health officials in the United States said on August 18 that they would begin to vaccinate people with the new coronal vaccine booster from September
2023-03-22 10:04:41