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Tuesday
Today
Extreme
Wednesday
Tomorrow
Extreme
Thursday
Jul 3
Extreme
Friday
Jul 4
Extreme
Saturday
Jul 5
High
Malaria
Zika
Dengue
Yellow Fever
Chikungunya
West Nile Fever
Mosquitoes in Katwijk rarely carry serious diseases, but taking precautions is advised to avoid bites and potential infections like West Nile Virus.
Use insect repellent, wear long sleeves, avoid standing water, and stay indoors during peak mosquito hours to reduce bites.