berlin thank you so which lock down measures do work the best look for more on that let's bring in yon browner he is a researcher at oxford university who recently analyzed cove in 1000 data from more than 40 countries to identify the most useful lockdown measures the study was published in the journal science welcome t.w. and thank you so much for joining us to share these insights what did you find what are the top 3 useful lockdown measures. thanks their pleasure to be on the show so many concerts as yours. though it's not super easy to study so but there are some things that you can still save your certainties so some things that you're pretty sure of is 1st of all a combination of many locked on measures together birth to reduce endemic spread. also it seems that most measures least a little bit. and you probably need like several of those and also like a general theme is that sadly the more drastic more severe measures on average are also more effective so not a person is can we may be fine it's not measures which are quite effective and also don't impose a massive cost on the population

there were several congressional then gs with the administrator browner trying to explain to the committees in which e house and senate studies she used and which studies she didn't use in making her decision. the agency had upfront stated which were the pivotal studies and they made the information available to those studies. those a lot of controversies in the 1990's would have gone away. let me ask -- we're starting to run short on time. i have another question that in the weeds from maria of inside e.p.a. and i will read that to you before we to any wrap-up. i do have one or two other questions for you. maria at inside e.p.a. could the administrator address affect the cy will taska program? with a limited number of studies based on the valuations of existing chemicals as well as .b.i. issues, which we discussed, and releasing studies for several others. how will the e.p.a. ensure this doesn't exacerbate those forward?ing studies in very small numbers. sure.eeler: i don't think it will exacerbate that problem at all. in fact, it should help clear up some of the decisions under the new ta