Winter health watch summary: 12 February 2015

Published 26 March 2015

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1. Summary

1.1 Cold Weather alert

All regions in England are currently at a Level 1 Cold Weather Alert.

Prior level 2 and 3 cold weather alert periods this season have occurred from 12 January to 8 February 2015, 25 to 31 December 2014 and 11 to 13 December 2014.

1.2 Syndromic surveillance

Syndromic surveillance states there is nothing new to report during week 6. There was a small increase in GP consultations for upper respiratory tract infection during week 6, however, in general most respiratory indicators remained stable.

1.3 Flu

In week 6 2015 (ending 8 February), influenza activity decreased across most indicators compared to the previous week in England. The Department of Health alert issued on the prescription of antiviral medicines by GPs is still active.

1.4 Norovirus

The number of laboratory reports of norovirus in the current season is 8% lower overall compared to the 5 year seasonal average (from season 2009 and 2010 to season 2013 and 2014). Laboratory reports are currently at similar levels compared to the same weeks in previous years. Reports of outbreaks of diarrhoea and vomiting in hospitals continue to be reported at similar levels to previous years.

1.5 Rotavirus

Rotavirus activity is low; laboratory reports are 45% lower than the 10 season average (from season 2003 to 2004 to season 2012 to 2013). The decreased rotavirus activity is likely to be associated with the introduction of the oral vaccine in July 2013

1.6 All-cause mortality

In week 6 2015 in England, significant excess mortality was seen in 65+ year olds. Significant excess mortality has been seen in England in 65+ year olds in weeks 50 2014 to 6 2015, in 15 to 64 year olds in weeks 51 to 1, and in under 5 year olds in weeks 1 to 2. This coincides with circulating influenza and cold snaps.