Which infectious agent is the most resistant to sterilization?

bacteria
virus
fungi
prion
The smaller the agent, the more dif­fi­cult it is to destroy it. Prions are quite re­sis­tant to pro­teas­es, heat, ra­di­a­tion, and formalin treat­ments. 134°C (274°F) for 18 minutes in a pres­sur­ized steam au­to­clave may not be enough to de­ac­ti­vate the agent of disease. Prions may last for decades in the en­vi­ron­men­t.

Answers distribution

bacteria
virus
fungi
prion
answers
flagItaly
4%
12%
4%
80%
25
flagRepublic of Ireland
5%
12%
8%
73%
75
flagAustralia
8%
12%
4%
72%
25
flagGermany
7%
15%
8%
68%
169
flagCzech Republic
0%
13%
20%
66%
15
flagUkraine
0%
13%
13%
66%
15
flagPoland
7%
17%
8%
65%
13281
flagSingapore
14%
21%
0%
64%
14
flagCanada
4%
19%
12%
63%
66
flagthe Netherlands
7%
17%
10%
62%
56
flagIndia
10%
18%
7%
61%
272
flagFrance
5%
14%
11%
61%
34
flagPakistan
10%
15%
15%
60%
40
flagSweden
5%
25%
10%
60%
20
flagthe United Kingdom
8%
20%
10%
59%
330
flagLithuania
6%
3%
12%
58%
31
flagthe Philippines
14%
12%
12%
57%
56
flagNorway
6%
32%
6%
54%
31
flagthe United States
10%
25%
10%
51%
724
flagMalaysia
16%
22%
16%
44%
18

Gender

men68%
women70%
bacteria
5%
6%
virus
16%
15%
fungi
9%
7%
prion
68%
70%

Language versions

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answers
results
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Which infectious agent is the most resistant to sterilization?
1597
54%

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