Table 3 Risk of meningitis after COVID-19 vaccination, overall and stratified by scheduled dose and vaccine type

Meningitis

 Overall

398

964

252.8

628.9

1.57

1.53

1.03 (0.91–1.16)

 Scheduled dose

  1st dose

178

964

105.4

628.9

1.69

1.53

1.10 (0.94–1.29)

  2nd dose

147

784

98.3

478.1

1.50

1.64

0.91 (0.76–1.09)

  3rd dose

73

134

49.2

68.6

1.49

1.95

0.76 (0.57–1.00)

 Vaccine type

  BNT162b2

213

509

137.1

326.9

1.55

1.56

1.00 (0.85–1.17)

  mRNA-1273

59

156

41.9

104.4

1.41

1.49

0.94 (0.69–1.29)

  ChAdOx1-S

41

106

19.3

72.3

2.12

1.47

1.45 (0.99–2.11)

  Ad26.COV2.S

4

7

0.8

6.2

4.74

1.12

4.22 (1.22–14.59)