News 12's Elizabeth Hashagen was joined by Dr. Daniel Griffin, the chief of the division of infectious disease at ProHEALTH, to talk about masks, vaccines and Memorial Day weekend safety.

The actual share of COVID-19 transmission occurring outdoors is probably substantially less than 1% and that matters. If your party is moving indoors because of the weather this weekend, this is what Dr. Griffin says is safer:

Moderna announced this week that after two doses no cases of COVID-19 were observed in adolescents, compared to four cases in the placebo group, resulting in a vaccine efficacy of 100% starting 14 days after the second dose. How important it is to have two options of the vaccines?

COVID-19 incidence was 37% lower in schools that required teachers and staff members to use masks, and 39% lower in schools that improved ventilation. Dr. Griffin discusses this study and how to make schools even safer for kids:

Immunity to the coronavirus lasts at least a year, possibly a lifetime, improving over time especially after vaccination, according to two new studies. The findings may help put to rest lingering fears that protection against the virus will be short-lived.

About 10 million immunocompromised Americans, 3% to 4% of the U.S. population, count on the kindness of others to get the vaccine, test or mask to be safe. Dr. Griffin talks about why others should be vaccinated to protect those that can't: