Boris Johnson answering questions during Downing Street press briefing

The video addresses a question from Steven about the potential for limited vaccine success against COVID-19. It highlights three key scientific advances: therapeutics, testing regimes, and the natural improvement expected in the spring. The speaker emphasizes the importance of medicines like dexamethasone and new testing methods being trialed in Liverpool. The future outlook is optimistic, with confidence in scientific progress to eventually overcome the virus.

What role do scientists believe the natural rhythm of viruses and weather conditions will play in the spread of COVID-19?

According to the speaker, what has been the historical response to viruses that threaten humanity?