Why Is This Virus So Contagious?

The video explores the contagious nature of COVID-19, comparing it to SARS. It discusses how COVID-19 spreads more efficiently due to pre-symptomatic and asymptomatic transmission, high viral loads, and its ability to bind tightly to ACE2 receptors. The virus's replication efficiency and immune evasion strategies are also examined, highlighting the differences between SARS-CoV-1 and SARS-CoV-2. Understanding these factors is crucial for developing effective treatments and vaccines.

What is one of the significant lessons learned about COVID-19 regarding its contagiousness?

How does the infectiousness of COVID-19 compare to that of SARS based on the number of people infected?

What role does pre-symptomatic and asymptomatic transmission play in the spread of COVID-19?

How does the viral load in individuals with COVID-19 relate to their symptoms?

What is the significance of the spike protein in the context of COVID-19's ability to infect human cells?

In what ways might understanding the infectious dose of COVID-19 help in controlling its spread?

What are some of the factors that contribute to the COVID-19 virus's ability to evade the immune system?