What is Corona Virus? How do viruses spread? This animation explains the COVID virus came about and was able to spread from host to host and create a global pandemic.

Due to the high rate of mutation of viuses, hundreds of subcatagories of flu types are in the air. New vaccines are created every year to combat the most common strains for the new season. Melvin Sanicas explains flu vaccines and why they people need a new flu shot every year.

Hank explains how the cellular immune response uses helper, cytotoxic, and regulatory T cells to attack body cells compromised by pathogens.

Hank explains adaptive immune systems and how they function to fight against pathogens ny creating antibodies.

This clip explains COVID-19 and what is the best way to respond to it in order to avoid further outbreak.