Meanings of visited too in English

It is fiercer than common cattle; and the cow easily deserts her first calf if molested or visited too often.

Troyes, like Angers and Poitiers, abounds in architectural treasures and historical souvenirs; and all these cities cannot be visited too soon.

Vesuvius is visited too; thrice by Goethe, but (here, for the first time, we feel a vague uneasiness) only once by Tischbein.

They were visited too by a plague; a calamity extending to both sides, and one which might well divert their attention from schemes of war.