Monkeypox: situation & assessment

While monkeypox infections were increasing worldwide as of May 2022, case numbers have now been declining for some time. Find out here about the current situation, an assessment of the figures and their development, and the incidence and spread of the disease.

The first reported case of monkeypox occurred in Switzerland on 19 May 2022. We started monitoring monkeypox cases on 21 May.

Until now, we have published all monkeypox cases confirmed in Swiss laboratories. Since 17 August 2022, we have only published confirmed cases of people with a residential address in Switzerland or the Principality of Liechtenstein.

Development of case numbers in Switzerland and Liechtenstein

6 December 2022, 9 am

New

Total since 21 May 2022

Laboratory-confirmed cases
(people resident in Switzerland and  Liechtenstein)

1 551
Since 21 September 2022, the figures, graphs and data tables are updated on Tuesday.
Figure 1: Curve showing cumulative number of laboratory-confirmed monkeypox cases (related data in the Excel table)
Figure 1: Curve showing cumulative number of laboratory-confirmed monkeypox cases
Figure 2: Epidemic curve showing number of laboratory-confirmed monkeypox cases per week (related data in the Excel table)
Figure 2: Epidemic curve showing number of laboratory-confirmed monkeypox cases per week
Figure 3: Geographical distribution of laboratory-confirmed monkeypox cases in Switzerland by cantonal incidence rate (cases per 100,000 population) (related data in the Excel table)
Figure 3: Geographical distribution of laboratory-confirmed monkeypox cases in Switzerland by cantonal incidence rate (cases per 100,000 population)
Figure 4: Laboratory-confirmed monkeypox cases in Switzerland by age and sex (related data in the Excel table)
Figure 4: Laboratory-confirmed monkeypox cases in Switzerland by age and sex

The graphs shown and the number of cases by canton are available as Excel files:

Situation and assessment

On 23 July 2022, the World Health Organisation (WHO) declared the monkeypox outbreak to be a ‘public health emergency of international concern’ and this assessment still remains in place.

The population group currently hardest hit is men who have sex with men (MSM). The Swiss AIDS Federation (Aids-Hilfe Schweiz) regularly informs and raises awareness among this community on our behalf.

We currently see the risk to the overall population as low.

According to the WHO, there have been signs for some time now that monkeypox infections are declining worldwide. We also observe this development in Switzerland. The reason for this decline has not yet been conclusively clarified. This is why we cannot confirm yet whether this trend will continue.

Incidence and spread of monkeypox

It was probably rodents in West and Central Africa that were originally infected with monkeypox. They transmitted the virus to humans. Until May 2022 there were been isolated cases or relatively small outbreaks of monkeypox infection in West and Central Africa. Outside this region, individual cases were detected in people after they travelled to the risk areas.

In early May 2022, an exceptional number of monkeypox infections were detected worldwide for the first time. The virus was transmitted from human to human in each case. Transmission to animals is possible, although no cases of this have been detected in Switzerland to date.

Last modification 06.12.2022

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