Are Covid Shots Working?

The video discusses the Delta variant, highlighting its high infectiousness, which is twice that of the original strain from Wuhan. It explains that the Delta variant leads to higher viral loads, making it as contagious as chickenpox. The video also covers how the variant's viral particles have a greater affinity for ACE2 receptors, facilitating easier transmission. It further examines the effectiveness of vaccines, noting that while all vaccines reduce hospitalizations and deaths, mRNA vaccines like Moderna and Pfizer offer more protection against the Delta variant compared to AstraZeneca.

What makes the Delta variant more infectious compared to the original strain?

How does the viral load of Delta variant infections compare to other strains?

What role do vaccines play in preventing hospitalizations and deaths from COVID-19?

What differences have been observed in vaccine effectiveness across different vaccines?

What is the significance of the second vaccine dose in relation to COVID-19 protection?