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Adenovirus (types 40 and 41)

About CHARACTERISTICS: Human adenoviruses are members of the family Adenoviridae and genus Mastadenovirus. They are nonenveloped viruses with an icosahedral capsid, 70-90 nm in diameter and a double-stranded, linear DNA genome(1).

Adenovirus serotypes 40 and 41 cause acute gastroenteritis primarily in children. Symptoms may include:

  • Fever
  • Diarrhea
  • Vomiting
  • Abdominal pain

And last for approximately 10 days. Respiratory symptoms can occur in some individuals. The disease is usually self-limiting in immunocompetent individuals; however rare fatalities can occur in immunocompromised individuals(1). Asymptomatic infections are common, particularly in children(3).

How long are you contagious after getting adenovirus?

Adenovirus infections are most contagious during the first few days of symptoms. Some people, especially those with weakened immune systems, can carry the virus in their tonsils, adenoids, or intestines for weeks or longer. These people might not have any symptoms, but are still be able to spread the virus to others.

What Helps Adenovirus Go Away?

Most adenovirus infections get better with treatment at home, including:
– Getting plenty of rest.
– Drinking enough liquids.
– Giving acetaminophen if fevers are making your child uncomfortable.
– Using a humidifier or saltwater nose drops to help kids with congestion.

How do you test for adenovirus 41? Antigen tests

Antigen assays are the test of choice for the detection of the fastidious adenovirus types 40 and 41 in stool samples. These enteric adenoviruses are generally “noncultivatable” and an important cause of diarrhea in infants.

What does adenovirus positive mean?

 
Adenoviruses are a group of viruses that typically cause respiratory illnesses, such as a common cold, conjunctivitis (an infection in the eye that is sometimes called pink eye), croup, bronchitis, or pneumonia. In children, adenoviruses usually cause infections in the respiratory tract and intestinal tract.

Transmission… How do you get adenovirus 40 41

Ad 40 has a higher incidence in children younger than 12 months, and Ad 41 has the highest incidence in children around the age of 28 months. There is a lot of viral shedding in fecal matter of infected individuals, and the virus is mainly transmitted by a fecal-oral route.

Testing…

How to test for adenovirus 41
Antigen tests
Antigen assays are the test of choice for the detection of the fastidious adenovirus types 40 and 41 in stool samples. These enteric adenoviruses are generally “noncultivatable” and an important cause of diarrhea in infants.