The UK Health Security Agency (UKHSA) has issued a fresh call for the public to consider wearing face masks again this winter. The advice comes as part of a renewed effort to combat the spread of respiratory viruses, including influenza and COVID-19, across the country.
When and Where to Wear a Mask
In a detailed blog post, the health agency outlined specific scenarios where donning a mask is strongly advised. The primary recommendation is for people to wear a mask when they are in close contact with someone at higher risk of becoming seriously ill from a respiratory infection.
Furthermore, the guidance suggests mask use is prudent when virus levels are high and you find yourself in crowded, enclosed spaces with others. This could include busy public transport, shops during peak times, or other indoor gatherings.
How Masks Help Curb the Spread
The UKHSA emphasised the dual protective benefit of face coverings. A well-fitting mask worn by someone who is infected can significantly reduce the number of virus particles they release from their mouth and nose, lowering the risk to those around them.
Conversely, masks also offer a layer of protection for the wearer, helping to shield them from inhaling bugs circulating in their environment. This is particularly important during periods of heightened viral activity.
Latest Virus Data and Vaccination Rates
The call to action is supported by the latest surveillance figures. In the seven days leading to Tuesday, November 25, 2025, positive flu rates saw a slight increase, rising from 10.7% to 11.6%. Health officials noted that positivity rates were highest among children aged 5 to 14.
Meanwhile, COVID-19 activity has decreased across most indicators and is currently circulating at baseline levels. The overall weekly hospital admission rate for Covid stood at 0.85 per 100,000, down from 1.13 per 100,000 the previous week.
On the vaccination front, data shows that by November 23, 2025, a total of 60.4% of people aged 75 and over had received their autumn 2025 booster dose since the programme began in October. For those under 75 with a weakened immune system, the uptake was 27.7%.
The UKHSA's guidance serves as a timely reminder that simple, proactive measures remain a key tool in managing winter pressures on the NHS and protecting the most vulnerable in society.
