joining me now is nbc s gadi schwartz in los angeles. gadi, good morning. l.a. schools are the largest weekly testing programs in the nation. what did they find? jose, it s hard it s massive. and it s hard to underscore just hoye big the l.a. unified school district testing program is. every week, they test about half a million students and staff to get those results. they compile lists to see who s negative, ask people to upload their results, and then they see who s allowed into the schools. and of course, they report all of that across the county, which as you can imagine, is a very big undertaking. but so far, they are pointing out that even though that 62,000 positive cases seems massive, in the full context of everyone, their positivity rate is actually around 15%. and they are emphasizing that they can now be sure that those 60,000 who would be at school this week are not at school. so they feel safe having kids in the classroom, continuing to physical the normal safety prot