HealthFirst

Flu Vaccination

5th November 2025

Posted by Dr Michelle Wright

Hello and welcome to Health MattersDr Michelle Wright with your weekly look at all things medical.

The days have definitely got shorter here in Switzerland, snow has been falling at altitude, and it’s starting to feel a lot like winter! 

So, today, talking about something that returns every winter season – the flu, and how we can protect ourselves and those around us. 

Every year, flu leads to hundreds of thousands of doctor’s visits, several thousand hospital stays, and, sadly, several hundred deaths.  

How does flu spread so easily?

It’s caused by two main families of viruses – influenza A and influenza B.  

And these viruses spread incredibly easily. A single cough, sneeze, or even a handshake can be enough to pass it on. And closed environments – like classrooms, offices, and public transport – make it even easier for the virus to pass from person to person. Combined with the fact that you can already be contagious before you feel unwell yourself sets things up for a perfect storm. 

What are the symptoms and who’s most at risk?

Flu symptoms usually appear within one to three days after infection with the typical fever, chills, sore throat, headache, coughing, and body aches.  

Most people recover within about two weeks, but for some, especially pregnant women, older adults, premature babies, or those with chronic illnesses, flu can cause serious complications such as pneumonia or heart problems. 

How can you protect yourself and others?

That’s why the flu vaccine is so strongly recommended for people at higher risk, and also for those who live with, or care for them. By getting vaccinated, you not only protect yourself but also help stop the virus from spreading. 

The best time to get your shot is from mid-October to early winter, before flu activity peaks. The vaccine won’t stop colds or COVID-19, but it does make flu infections far less likely. And if you do get sick, your symptoms are usually much milder. 

This season, Switzerland offers several inactivated vaccines, suitable for different age groups. There’s even a special high-dose version for people over 75, which provides stronger protection.  

Where can you get vaccinated?

Most pharmacies and medical practices can vaccinate you, and the National Flu Vaccination Week, this year taking place between the 10th and 15th of November, is a convenient opportunity to get your vaccination without an appointment. 

Information on participating medical practices is available on the CMPR website:  www.khm-cmpr.ch 

And the list of participating pharmacies is available at www.vaccinationenpharmacie.ch 

We’ll put those links on the WRS website.  

Any side effects to expect?

The most common side effects of vaccination are mild – a sore arm, slight fatigue, or a brief fever – and they tend to pass quickly. Severe reactions are extremely rare, and the benefits usually far outweigh the risks. You can also safely get flu and COVID-19 vaccines at the same time. 

So, as the colder months arrive, remember there are many ways to stay healthy and protect against the flu. Washing hands regularly, covering coughs, and staying home if you feel unwell.  

And for those at higher risk, or those who care for, or live with them, getting a flu vaccination is an important extra layer of protection.  

Together, we can help reduce the spread of flu and keep our communities well this winter. 

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