translation.en: After an incubation period of 3–8 weeks (though sometimes much longer), non-specific symptoms appear, such as headache, fever and numbness of the skin around the site of the bite.
translation.lt: Po inkubacinio laikotarpio, kuris trunka 3– 8 savaites (nors kartais gali būti gerokai ilgesnis), pasireiškia bendro pobūdžio simptomai – skauda galvą, pakyla temperatūra, patinsta įkandimo vieta.