01 / 10faces 1–2
What does adenovirus carry inside its capsid?
Adenoviruses are DNA viruses without an envelope [1].
Quiz · 10 questions · 20 faces
How much do you know about adenovirus?
The adenovirus capsid is an icosahedron, a solid with 20 faces. Each answer adds two of its faces: a correct one glows, a wrong one stays a defect. After each answer you get an explanation with a link to the source.
You can answer with the 1, 2, 3 and Enter keys
02 / 10faces 3–4
How many capsomers make up the capsid?
The capsid consists of 240 hexons and 12 pentons, 252 capsomers in total [1].
03 / 10faces 5–6
How many species of human adenoviruses are there?
Human adenoviruses are divided into 7 species (subgroups), A–G [2].
04 / 10faces 7–8
Besides the airways, what does adenovirus affect?
Adenovirus infection affects the lining of the airways, lymphoid tissue, the conjunctiva and the gut [2].
05 / 10faces 9–10
How many days can a high fever last with adenovirus?
With flu and adenovirus infection, a temperature above 38 °C (100.4 °F) can last up to 5–7 days [2].
06 / 10faces 11–12
Do antibiotics help against adenovirus?
Antibiotics do not work against viruses and are not recommended for an uncomplicated respiratory viral infection [2].
07 / 10faces 13–14
How long does adenovirus survive at room temperature?
Adenovirus is very hardy: at room temperature it survives up to 2 weeks and withstands cold and drying [2].
08 / 10faces 15–16
When does a sick person shed the most virus?
Shedding peaks on day 3 after infection, drops quickly by day 5, and low-level shedding can last up to 2 weeks [2].
09 / 10faces 17–18
Are steam inhalations recommended for children with a cold?
Steam inhalations are not recommended for children because of the risk of burns and the lack of evidence of benefit [2].
10 / 10faces 19–20
Is there an adenovirus vaccine for everyone?
There is no vaccine for the general public. A live vaccine against types 4 and 7 is approved only for US military personnel [3].
Capsid complete
0 / 10
Glowing faces are correct answers. Nobody else has this exact capsid: save it as a card.
Sources
- ICTV (International Committee on Taxonomy of Viruses). ICTV Virus Taxonomy Profile: Adenoviridae 2022. J Gen Virol 103(3). Accessed October 7, 2026.
- Russian Ministry of Health, Union of Pediatricians of Russia. Clinical guidelines “Acute respiratory viral infection (ARVI)”, children, ID 25_3, published in the guidelines database on September 2, 2026 (in Russian). Accessed October 8, 2026.
- CDC (US Centers for Disease Control and Prevention). About Adenovirus. Updated December 16, 2025. Accessed October 7, 2026.
This article was prepared by our editorial team from official sources and does not replace a doctor’s advice. Found an error? Write to us.