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Table 2 Pathogens isolated from outer surface of masks

From: Contamination by respiratory viruses on outer surface of medical masks used by hospital healthcare workers

Viruses

Positive in one test (Total tests 110)

Positive in three tests & sample location (Total test 38)

Adenovirusa

6

1 middle section of mask

Bocavirusa

2

0

Human metapneumovirusa

0

1 right section of mask

Influenza B & type 4 parainfluenza virusb

1

0

Influenza H1N1 & influenza Bc

1

0

Respiratory syncytial virusa

1

1 middle section of mask

Type 2 parainfluenza virusa

0

1 right section of mask

Total positive (Positivity rate)

11 (9.4%)

4 (9.8%)

  1. a Isolated from internal medicine ward, b isolated from pediatric ward c isolated from respiratory ward