Measles in Switzerland – progress made, but communication challenges lie ahead

Publication Date: 11.06.2019
Swiss Med Wkly. 2019;149:w20105

Tarr Philip E.a, Deml Michael J.b, Huber Benedikt M.c

a University Department of Medicine and Infectious Diseases Service, Kantonsspital Baselland, University of Basel, Bruderholz, Switzerland

b Swiss Tropical and Public Health Institute, Basel and University of Basel, Switzerland

c Centre for Integrative Paediatrics, Department of Paediatrics, Fribourg Hospital HFR, and Faculty of Science and Medicine, University of Fribourg, Switzerland

Now in Swiss Medical Weekly, Richard and colleagues from the Swiss Federal Office of Public Health (FOPH) provide a comprehensive report on measles epidemiology in Switzerland over the past 20 years [1]. In 2007, Switzerland was the country with the highest measles incidence in Europe by far. Since then, measles cases have decreased considerably (by 94%). This prompted the World Health Organization to conclude that no endemic measles transmission occurred in Switzerland in 2016–2017. Thus, the Swiss measles situation has dramatically improved, in the setting of an already successfully implemented national measles elimination strategy [2], and without any vaccine mandates. Still, more work needs to be done if these favourable trends are to be maintained. For example, Richard and colleagues note that measles vaccination rates vary markedly between Swiss states (cantons). Only a minority of cantons have achieved >90% coverage, and most remain below the target rate of 95%. This has allowed further measles epidemics to occur in Switzerland in 2019.

Do we need mandatory vaccination to increase immunisation rates? One could easily have concluded so, given the intense media coverage accompanying recent measles outbreaks in Switzerland. Some politicians have even suggested coercive measures, such as fining parents who do not have their children vaccinated against measles, as a possible response to not meeting coverage targets [3]. Also, neighbouring France and Italy decided in 2017/8 that vaccine mandates are indispensable to address “vaccine hesitancy”, a social phenomenon of seemingly increasing prevalence that is feared to lead to decreasing vaccination rates. In Germany, the health ministry is now preparing to introduce vaccine mandates. These developments have stimulated professional groups specialising in evidence-based medicine [4], general medicine [5] and, importantly, in both homeopathy [6] and anthroposophical medicine [7, 8], to produce statements arguing against mandatory vaccines. Each of these statements is nuanced, but clearly express favourable vaccination attitudes and makes a strong case against alarmism and for more patient-oriented discussions of all aspects of vaccination. Recent editorials in major Swiss newspapers have also insightfully argued against compulsory vaccines [9, 10].

Insufficient immunisation rates are not all due to vaccine hesitancy. Even in Switzerland, limited access to vaccines remains an issue. For example, human papilloma virus (HPV) vaccination rates among 16-year old young women are on average 51% where the vaccine is offered through school vaccination programmes, but only 37% in areas without such programmes [11]. In these areas, the stance seems to be that vaccines are a personal matter between individuals and their physicians, that is, the government should not interfere [12]. This needs to change; all cantons should make all recommended vaccines more easily available to the populations for which they are recommended.

Vaccine mandates are ethically problematic [13] and there is no legal basis for introducing mandatory vaccination in Switzerland outside of major epidemics. Most importantly, data suggesting that vaccine mandates are effective are surprisingly scanty [14]. Indeed, there is now experimental evidence that mandates make people angry and may actually reduce their future intentions to vaccinate [15]. Mandates neither remove vaccine access problems nor address the crucial issues underlying vaccine hesitancy. For example, many physicians have insufficient time and knowledge for high quality vaccine counselling – it may be this combination of factors that contributes to some physicians themselves being vaccine hesitant [16, 17].

For each of these reasons, the FOPH is correct not to pursue any vaccine mandates in Switzerland, and to instead focus on removing access barriers and improving vaccine communication. A majority of adults in Western countries still is comfortable with following official vaccine recommendations and still regards their physicians as the most trusted vaccine information source [16, 18, 19]. But health authorities and some physicians tend to struggle when it comes to dealing with patients who wish to take an active, self-responsible role in health decisions shared with their provider, and with parents who have trouble making sense of the vast and contradictory vaccine information on the internet. Such parents are less receptive to traditional vaccination messaging used by physicians and authorities, which states that vaccines are safe and effective. These parents tend to favour “individualised” vaccine plans they sometimes develop together with physicians specialising in complementary and alternative medicine (CAM) who they have come to trust.

Still, it will be crucial that physicians learn how to engage with these individuals because 25–50% of Swiss report seeing CAM providers [2022], and because the merits of personalised, patient-oriented health care are increasingly well documented [23, 24]. This is what many patients increasingly expect from their physicians. In the setting of our ongoing NRP74 National Research Programme on vaccine hesitancy [25], we have gained a surprisingly favourable picture of the work of CAM physicians: by discussing vaccines in a non-threatening way with parents, by considering their patients’ individual information needs and vaccine concerns, CAM physicians seem to be filling an important gap that is not addressed by the traditional, public health oriented vaccine discourse [26]. We need to abandon the widely held notion that all providers of CAM are sceptical or opposed to vaccination altogether. The published literature and our research confirm that the vast majority of vaccine-hesitant patients end up vaccinating [26]. In summary, our emerging work hypothesis is that CAM physicians effectively address vaccine hesitancy by responding to the communication needs of vaccine-hesitant persons who represent a large minority of the population, approximately 25–35% of patients in Western countries [27, 28]. By learning from CAM physicians, we could improve the quality of our vaccination counselling, and health authorities should be able to avoid unnecessary vaccination mandates in Switzerland.

Disclosure statement

No financial support and no other potential conflict of interest relevant to this article was reported.


Header image: © Thirasak Phuchom |


Prof. Philip Tarr, MD, Medizinische Universitätsklinik, Kantonsspital Baselland, CH-4101 Bruderholz, philip.tarr[at]


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