Sentences with phrase «after the initial infection occurred»

Cats infected with feline immunodeficiency virus (FIV) may not show symptoms until years after the initial infection occurred.

Not exact matches

First, after a person is bitten by a parasite - carrying mosquito there is an initial infection in the liver, followed by the long - lasting red blood cell stage where the clinical symptoms of the malaria disease occur, and finally the mosquito stage, which is required to transmit the parasites to other people.

The initial acute stage occurs approximately four to six weeks after infection.

A syndrome related to this inflammatory reaction has been identified in cats: heartworm - associated respiratory disease, which can occur three to four months after the initial infection, and is caused by the presence of the L5 larvae in the vessels.

According to the Centers for Disease Control and Prevention, 15 percent of people infected with untreated syphilis reach the late stage, which can occur up to 20 years after initial infection.