Croatia and Europe — West Nile virus and the vectors moving north

Zagreb fogged against mosquitoes after seven West Nile virus infections and the discovery of the virus in dead crows. Croatian experts call it an ordinary season, while the Netherlands reports a fourth case and two deaths, and a suspected chikungunya case has appeared in Cuneo, Italy. We are tracking the seasonal tallies and whether the vectors are settling further north.

Actively tracking

0/5 fulfilled ⏳ 5 pending tracking since 2.9.2026 check by 17.10.2026

The article that started it

Záhreb zahmlieva proti komárom pre Západný Níl. Chorvátsko má bežný rok, Holandsko dvoch mŕtvych

Sedem nákaz, dvaja na intenzívnej starostlivosti a vírus v piatich uhynutých vranách. Chorvátski odborníci hovoria o obvyklej sezóne — nečakané čísla…

2.9.2026

What we are still watching

The Croatian Institute of Public Health published the seasonal tally and it is known whether the case count exceeded the usual range.
The Dutch RIVM issued an updated case count and it is clear whether the four cases stayed isolated or more followed.
The suspected chikungunya case in Cuneo, Italy was confirmed or ruled out and it is known whether transmission was local.
Zagreb ended, or conversely extended, blanket fogging to further districts.
A West Nile case acquired on Slovak or Czech territory appeared.

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Croatia and Europe — West Nile virus and the vectors moving north

The article that started it

What we are still watching

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