Global influenza incidence rates have already risen to 43.6 cases per 100,000 inhabitants, according to the latest figures from the National Carlos III Health Institute's epidemiological surveillance network for the week from December 17 to 23. Thus, it is believed that the incidence of influenza in Spain is currently supported in terms of the period of the pre-epidemic period, although the circulation of the virus is already increasing.
Despite this, it was also reported that indicendia rates are lower than the baseline set for the 2018–19 season. (55.5 cases per 100,000 inhabitants). Regarding evolution by age groups, a significant increase in indicators is observed in the group from 5 to 14 years old, although the highest rates are observed in groups under the age of 15 years.
The information was collected thanks to all networks integrated into the sentinel influenza surveillance system in Spain (ScVGE), with the exception of Madrid, due to computer problems and the Balearic Islands, because this is a holiday.
Thus, it was reported that the incidence rates of influenza exceed the baseline threshold in Cantabria this week, while in Melilla and the Basque Country it was exceeded in previous weeks. Thus, the level of intensity of influenza is the main in all networks except Cantabria, Melilla and Pask Vasco, which indicate a low level.
Similarly, the spread is still zero or sporadic in most areas subject to supervision, with the exception of Cantabria and Melilla, where it is local, and in the Basque Country, where it is already epidemic. In addition, evolution is still stable in most networks, with the exception of Cantabria, the Basque Country and Catalonia, where it rises.
Of the serious confirmed hospitalized cases of influenza (CGHCG) reported to date, 86 percent are influenza A viruses and 14 percent are influenza B. 46 percent are CGHCG in the older group. 64 years, and then from 45 to 64 years (30 percent).