Sithi News
News and analysis
Flu, RSV, COVID-19 and norovirus in England: the latest UKHSA figures, Sithi's forecast and plain-English explainers that link to NHS advice.
Flu this week: UKHSA data for England to 25 October 2026
UKHSA's latest weekly report, published on 29 October, describes flu as stable and circulating at low levels, COVID-19 as decreasing and RSV as increasing from baseline levels. Flu positivity in GP swabs and among children aged 5 to 11 rose noticeably.
How long is flu contagious? Symptoms, recovery and when to stay at home
Flu is most infectious in the first few days. This guide sets out the symptoms, how long you are likely to be infectious and when to get help, drawing on NHS and UKHSA guidance.
Flu this week: UKHSA data for England to 18 October 2026
UKHSA's latest weekly report, published on 22 October, describes flu as stable and at baseline levels, with COVID-19 low and RSV at baseline. Hospital admission rates for all three rose slightly.
Norovirus: how long it lasts, how it spreads and when you can go back to work
Norovirus, the winter vomiting bug, usually passes in two to three days, but it spreads very easily. Here is what the NHS and UKHSA advise.
RSV in adults: symptoms, who is at risk and who can get the vaccine
RSV is a common cause of coughs and colds. Most adults recover on their own, but it can be serious for older people, babies and people with certain health conditions.
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