1. Introduction

1. Introduction

2. Mathematical introduction

2. Mathematical introduction

3. Galton Watson & Koenigs

3. Galton Watson & Koenigs

4. Birth Death Catastrophe

4. Birth Death Catastrophe

5. Birth Death Catastrophe additional

5. Birth Death Catastrophe additional

6. BMVR model ideas

6. BMVR model ideas

7. Two-Type Birth Death Catastrophe

7. Two-Type Birth Death Catastrophe

8. Bursting and Budding pathogenesis

8. Bursting and Budding pathogenesis

9. Various inspired models

9. Various inspired models

10. Conclusion

10. Conclusion