sam dominguez is a pediatric infectious disease specialist at children's hospital colorado. >> in some instances it may be counterproductive. with the facemask on, you're fidgeting with it all the time and touching your face more, pulling it down and up. that actually could lead to more transmissions. >> reporter: aap says only middle and high school grades should be required to cover their faces if a 6-foot distance cannot be maintained. the santa clara county office of education issued its guidelines for schools, which say elementary school students should be encouraged but not required to wear a cloth face covering in the classroom. teachers as we all know like to read the room. they look at their students' faces to make sure they understand the material but it is likely this will get in the way. the american academy of pediatrics glides tens of thousands of -- guides tens of thousands of pediatricians. the recommendations are expected to influence the decision making process of school districts across the country. in san francisco, abc 7 news. >>> all right. a lot more to get to th

sam dominguez is a pediatric infectious disease expert in colorado. >> in some areas, it may be counter productive. if w a face mask on, you're fidgeting and touching your face mask more, pulling it down and up. that could lead to more transmissions. >> reporter: only middle and high school grades should be required to cover their face if a six foot distance cannot be maintains. the santa clara office of education issued its guidelines for schools which say elementary school students should be encouraged to wear a face covering in the classroom. teachers as we know, like to weave the room. they look at their students' faces to make sure they understand the material. it is likely this will get in the way. >> reporter: the american academy of pediatrics guides tens of thousands of pediatricians. these recommendations are expected to influence the decision making process of school districts across the country. in san francisco, abc7 news. >> while we've had several heat waves, more hot weather does lie ahead as we will talk about. we're now learning that children's heat stroke deaths are a