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

Table 5 Characteristics of measles outbreaks in primary schools

School Location [outbreak year] – Type	NO. Students	No Vac. Record	1-Dose Vaccination	2-Dose Vaccination	ARU	ARI-1- Dose	ARI-2- Dose	ARI-General	Susceptible Students	NO. First Gen. Cases	Total NO. Cases
New York, US [1945–46] ES I [44]	367	100.0%	0.0%	0.0%	77.6%	N/A	N/A	N/A	170	26	132
New York, US [1945–46] ES II [44]	530	100.0%	0.0%	0.0%	83.9%	N/A	N/A	N/A	249	64	209
New York, US [1945–46] ES III [44]	492	100.0%	0.0%	0.0%	69.4%	N/A	N/A	N/A	193	123	134
Kansas, US [1970] ES [102]	690	14.2%	NR	NR	30.3%	NR	NR	2.6%	122	3	35
New York, US [1974] ES [33]	868	3.3%	NR	NR	20.7%	NR	NR	6.4%	113	28	60
Texas, US [1985] JHS I [103]	1141	0.6%	87.6%	11.9%	10.0%	4.5%	1.4%^a	4.1%	107	10	21
Texas, US [1985] JHS II [103]	1122	1%	NR	NR	NR	NR	NR	NR	122	NR	34
East Sussex, UK [1992–93] E-M-HS [104]	1673	31.5%	NR	NR	17.8%	NR	NR	1.52%	528	41	66
Alaska, US [1996] MS [61, 105]	687	< 1%	45%	44%	NR	NR	NR	< 2.18%	41	4	15
Alaska, US [1996] ES [61, 105]	525	< 1%	45%	44%	NR	NR	NR	< 1.33%	31	4	7
Reuler, Luxembourg [1996] PS [106]	363	22.8%	NR	NR	54.7%	NR	NR	4.6%	102	28	45
Wincrage, Luxembourg [1996] PS [106]	343	28.0%	NR	NR	51.9%	NR	NR	1.0%	110	15	43
Disburg City Germany [2006] E-M-HS [107]	1250	3.8%	24.5%	58.4%	52.8%	1.0%	0.4%	0.5%	81	NR	53
California, US [2008] ES [108]	377	10.9%	NR (< 50%)	NR (> 50%)	9.8%	0.0%	0.0%	0.0%	62	2	4
Beijing, China [2014] ES [109]	1245	0.5%	1.7%	97.8%	0.0%	0.0%	0.9%	0.9%	20	3	11

PS Primary School; ES Elementary School; MS Middle School; JHS Junior High School; E-M-HS Elementary, Middle, and High School combined; N/A Not applicable; NR Not Reported.
^a Only reported outbreak where ARI-2-Dose was larger than assumed measles susceptibility rate of students less than 14 years old with 2-dose of vaccination (i.e. 1%)

ISSN: 1471-2334