Table 1 Patient and sample characteristics

From: Retrospective detection of asymptomatic monkeypox virus infections among male sexual health clinic attendees in Belgium

Case

Time point

Sample type

Symptoms

MPXV PCR on leftover DNA extract (Ct value)

MPXV PCR on original sample (Ct value)

Orthopox virus PCR on leftover DNA extract (Ct value)

Whole-genome sequencing

Viral viability study

Orthopox virus IgG antibodies (titer)

1

Day 0

Pooled samplea

None reported

Positive (27.63)

Anorectal swab: positive (26.69); oropharyngeal swab: negative

Positive (30.35)

ND

Negative

Negative (<1:20)

 

Day 37

Anorectal swab

None reported

NA

Negative

NA

NA

NA

Positive (1:320)

2

Day 0

Anorectal swab

None reported

Positive (22.25)

Positive (20.05)

Positive (23.50)

Yes

Positive

Negative (<1:20)

 

Day 21

Anorectal swab

None reported

NA

Negative

NA

NA

NA

Positive (1:40)

3

Day 0

Anorectal swab

None reported

Positive (19.19)

Positive (17.16)

Positive (21.43)

ND

Positive

Negative (<1:20)

 

Day 24

Anorectal swab

None reported

NA

Negative

NA

NA

NA

Positive (1:80)

4

Day 0

Anorectal swab

Painful vesicular perianal rash

Positive (29.06)

Positive (27.38)

Positive (28.3)

ND

Negative

NA

  1. Ct, cycle threshold; NA, not applicable/not available
  2. aCombination of a patient’s first-void urine, oropharyngeal swab and anorectal swab.