Contagious even before symptoms appear

Drexcitement about monkey pox Meanwhile, infection rates are dropping. But the outbreak is far from over. Since the start of the year, 109 countries have reported more than 78,000 cases, and Germany now ranks sixth on the list with about 3,670 infections, just ahead of Peru and Colombia, followed by the United States and Brazil (28,650 and 9,260 cases) before Spain. France and Great Britain. One The current study In the “British Medical Journal” it also now presents new evidence to suspect that infected people are already contagious before they develop their first symptoms, which explains the dynamics that have occurred globally.

Spanish Sonya

Editor in the “Science” section of the Frankfurter Allgemeine newspaper on Sunday.

The outbreak observed since May was World Health Organization on 23 July 2022 as a “health emergency with international implications” when numbers rose rapidly – in countries where the pathogen was not yet endemic, but could become. For the British study, 2,746 patients who tested positive were questioned in detail, and the data of contacts and the course of the disease were assessed in Great Britain, where the epidemic peaked on July 9.

The team, led by Thomas Ward and Christopher Overton of the UK’s Health Security Agency, used various model calculations to statistically evaluate the data. The results indicate a mean incubation time of 7.6 or 7.8 days (range 6.5 to 9.9 days) before the first signs are observed, and a relatively long infectious phase. In order to detect and protect 95 percent of those who may become infected, a period of isolation of 16 to 23 days after contact will be necessary. Remarkably short “sequence periods” indicated that infected people appeared to have already transmitted viruses to others even before symptoms appeared.

In Germany, the weekly answer number Robert Koch Institute (RKI) in Berlin has been declining since August, and fewer than 20 cases were reported per week in October. The RKI continues to assess the risks to the health of the general population in Germany as low. In this outbreak, transmission occurs primarily through close physical contact, often in the context of sexual activity, particularly in men who have sexual contact with other men. So far, only 19 cases involving women have been reported, along with three cases of male adolescents and two cases of children under 14 years of age. The average age of infected people in Great Britain, for example, is 37 years, while in endemic countries in Africa, early outbreaks mostly affected young people: in 2016, the average age of those infected in the Democratic Republic of the Congo was ten years, in In 2020, 58 percent of those infected are under six years old.


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