The table below shows the number of reported cases of Tuberculosis (TB), a bacterial disease, per 100,000 people in a metropolitan area between 2011 and 2021 following a targeted vaccination and treatment campaign.
| Year | Number of TB cases per 100,000 people |
|---|---|
| 2011 | 350 |
| 2013 | 295 |
| 2015 | 248 |
| 2017 | 210 |
| 2019 | 195 |
| 2021 | 187 |
Predict the number of TB cases per 100,000 people in 2023 if the current trend continues. Show your working or justify your prediction.
25 exam-style questions on AQA GCSE Biology 3.1 Communicable diseases, covering 3.1.1 Communicable (infectious) diseases, 3.1.2 Viral diseases, 3.1.3 Bacterial diseases, 3.1.4 Fungal diseases, 3.1.5 Protist diseases, 3.1.6 Human defence systems, 3.1.7 Vaccination, 3.1.8 Antibiotics and painkillers, and 3.1.9 Discovery and development of drugs. Each one has a worked solution and a mark scheme showing where the marks go.