What to know before getting COVID-19 vaccine

As California works to add more COVID-19 vaccination sites and encourages more people to get the vaccine, there is growing concern about allergic reactions to one batch of the Moderna vaccine. A small number of people needed medical attention after getting the first dose at a mass vaccination clinic in San Diego. KCRA 3 talked to Dr. Vanessa Walker of Pulmonary Medicine Associates about what everyone should know before getting the shot.