Answered by Vox Season 1 Episode 8 Did Air Pollution Make This Pandemic Worse?

Answered by Vox is a documentary-style series that explores pressing questions and issues of our time. Season 1, episode 8, titled "Did Air Pollution Make This Pandemic Worse?" examines the possible link between air pollution and the severity of the COVID-19 pandemic.

The episode begins by highlighting the devastating toll that air pollution has on human health. With 91% of the world's population living in areas with unhealthy air, millions of people die prematurely each year due to respiratory illnesses, heart disease, and other health problems caused by polluted air. The episode explains how air pollution particles can be small enough to penetrate deep into the lungs and enter the bloodstream, damaging cells and organs throughout the body.

The documentary then turns to the COVID-19 pandemic, exploring how the virus spreads and how it affects the body. Experts interviewed in the episode explain that the virus primarily attacks the respiratory system, making it particularly dangerous for those who already have preexisting respiratory issues like asthma or chronic obstructive pulmonary disease (COPD). The documentary also notes that COVID-19 can cause inflammation and other problems throughout the body, not just in the lungs.

With this background information established, the episode then delves into the main question of the episode: did air pollution make the COVID-19 pandemic worse? The documentary notes that early on in the pandemic, it was observed that cities with high levels of air pollution - particularly in China and northern Italy - were experiencing more severe outbreaks of COVID-19. Researchers began to theorize that air pollution might be making the virus more deadly by damaging people's respiratory systems and weakening their immune systems.

To explore this possibility, the episode takes viewers to a variety of different locations and interviews a range of experts. In Milan, Italy, for example, researchers are studying how air pollution might have contributed to the severity of COVID-19 outbreaks in the city. They point out that air pollution can increase the amount of ACE2 receptors - the same receptors that the COVID-19 virus uses to enter human cells - in people's lungs, which might make it easier for the virus to infect them. In New York City, the documentary examines how higher levels of air pollution in certain neighborhoods may have contributed to higher rates of COVID-19 cases and deaths in those areas.

Throughout the episode, experts caution that the relationship between air pollution and COVID-19 is complex and not yet fully understood. Although there is evidence to suggest that air pollution may make COVID-19 worse, other factors such as age, underlying health conditions, and access to healthcare also play a significant role. Additionally, the documentary notes that reducing air pollution is an important goal in its own right, regardless of its connection to COVID-19.

The episode concludes by summarizing what we know - and what we still don't know - about the link between air pollution and COVID-19. Although more research is needed, there is growing evidence to suggest that reducing air pollution levels could help limit the spread and severity of the pandemic. However, even if air pollution is not a direct cause of COVID-19, it is still an urgent problem that must be addressed in order to protect public health and prevent premature deaths.