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Significant increase in the number of tuberculosis cases

Significant increase in the number of tuberculosis cases

– In general, ticks are increasing, there is no doubt about it, says tick expert Lars Lundqvist.

It is important to look up, or rather down, when you move in nature and in high humidity grass during the summer. This is where ticks thrive best. According to statistics from the Swedish Public Health Agency, the number of cases of TBE, the viral disease spread by ticks, has doubled compared to last year.

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– By 2020, we had 31 cases reported through the end of June, and this year the number is 62, says Public Health Agency investigative epidemiologist Marika Hjerkvist.

The number of ticks is increasing

It is difficult to answer what lies behind the doubling. The biggest aspect is the weather, says Lars Lundqvist, affiliated with Lund University.

– Tick activity is highly dependent on the weather, ticks need heat and moisture. The activity of people also depends on the weather, as people go out and move around nature. I think a clear trend has been observed, says Lars Lundqvist.

He adds:

In general, the number of ticks is increasing, there is no doubt about that because there are more mammals, such as deer and wild boars, in the wild.

Fewer people are being vaccinated

In May, Apoteket and Doktor24 reported that the number of TBE vaccines had fallen by about 40 percent since the start of the coronavirus pandemic.

Usually people are vaccinated in May and July. This year, a large number of people were vaccinated against COVID-19 during the same period. According to the Swedish Public Health Agency, a week should pass between the TBE injection and the covid-19 vaccine.

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Andre Sponge / TT

TBE

TBE stands for tick-borne encephalitis.

It is encephalitis caused by an encephalitis virus. This is transmitted, by ticks, from small mammals to humans.

The first signs of the disease are observed 1-2 weeks after infection. The disease begins with a fever.

There is no known cure.

In Sweden, TBE is more common around the Baltic Sea, and in the areas around Lake Vättern and Lake Vänern. But the disease has spread to the west coast, and it occurs in large parts of southern and central Sweden.

Most cases in Sweden get sick during the summer.

Source: NE, Sahlgrenska Academy

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