Data
Pertussis vaccination
| Quarter |
Vaccinated during 1st trimester |
Vaccinated during 2nd trimester |
Vaccinated during 3rd trimester |
Vaccinated in unknown trimester |
Not vaccinated |
Unknown if vaccinated |
| Apr-Jun 2023 |
0.9% |
27.7% |
33.6% |
5.8% |
12.7% |
19.3% |
| Jul-Sep 2023 |
0.9% |
30.7% |
33.9% |
5.7% |
12.0% |
16.8% |
| Oct-Dec 2023 |
1.1% |
34.3% |
28.9% |
6.1% |
11.7% |
18.0% |
| Jan-Mar 2024 |
1.1% |
32.7% |
29.1% |
5.9% |
12.9% |
18.3% |
| Apr-Jun 2024 |
0.8% |
32.1% |
32.2% |
5.2% |
11.6% |
18.1% |
| Jul-Sep 2024 |
1.0% |
35.3% |
30.1% |
5.7% |
11.0% |
16.8% |
| Oct-Dec 2024 |
1.2% |
38.3% |
27.7% |
5.6% |
11.3% |
15.9% |
| Jan-Mar 2025 |
1.4% |
35.3% |
29.3% |
5.4% |
12.6% |
16.0% |
| Apr-Jun 2025 |
1.1% |
33.9% |
35.6% |
5.2% |
11.8% |
12.4% |
| Jul-Sep 2025 |
0.9% |
34.7% |
36.9% |
5.6% |
11.8% |
10.1% |
| Oct-Dec 2025 |
1.0% |
34.3% |
34.7% |
5.4% |
13.3% |
11.2% |
| Jan-Mar 2026 |
1.1% |
31.5% |
37.6% |
4.8% |
13.7% |
11.4% |
| Apr-Jun 2026 |
1.1% |
30.6% |
42.0% |
4.6% |
12.5% |
9.1% |
Data for most recent complete 4 quarters are incomplete and subject to change.
Source
Midwives Notification System, Information and System Performance Directorate, Department of Health WA.
Data extracted 06 July 2026