Skip to main content

Table 1 Infectious-particle-size-weighted filtration efficiency for a range of HVAC air filters [54]

From: Estimating the nationwide transmission risk of measles in US schools and impacts of vaccination and supplemental infection control strategies

Filter Type

Range

Mean

MERV 4

7.7–12.7%

10.5%

MERV 7

35.5–47.4%

42.2%

MERV 13

81.6–89.2%

85.9%

MERV16

95.0%

95.0%

HEPA

99.9%

99.9%

Back to article page

BMC Infectious Diseases

ISSN: 1471-2334

Contact us