Latest updates on COVID-19: June 5, 2020

ABC News chief medical correspondent Dr. Jen Ashton with the latest on the coronavirus.
2:50 | 06/05/20

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Transcript for Latest updates on COVID-19: June 5, 2020
Here are some of the big developments we've been tracking more than six point six million confirmed cases of corona virus worldwide now. With the debt hole in the US rising beyond 108000. As more than two point eight million people recover globally. With us here is ABC chief medical correspondent doctor Jan ashen as always a doctor Jan from the beginning. This pandemic it seems that we've been hearing about headlines about this drug we've heard from president trump even got hydroxy floor Quinn will yesterday. Big news that rocked the medical world so we've got two of the most prestigious peer reviewed medical journals in the world issuing. Rich fractions. For attractions and studies by the same author. One of them had to do with the effect of hydroxy Florida went in treating covet nineteen patients tell us what we now. Amy this was major news in the medical world yesterday and really there are two angles to it there's the literature angle and then there's the drug and also if you look at this journal first of all for some back from the lancet. Founded in 1823. Is one of the most prestigious journals we have worldwide looking back on May 22. They published a big multinational study on covic nineteen patients who were treated with clerk when an hydroxy clerk when. The findings of that study were that the drug really had no benefit in treating these patients. And actually was associated with an increased risk of death particularly due to irregular heartbeat. June 3 the story continues the lancet raise some concerns they issued what they call an expression of concern about the methodology. And the data collection they asked the study's author to provide more information. When the author was not able to really do that to their satisfaction yesterday the New England Journal issued a full retraction of the study. That lancet did followed by the New England Journal medicine for the same author. This is exactly how the peer review medical literature process should work. The lancet overseeing the authors' finding so that's why when we say. This is not yet peer reviewed it has so much and I've heard you say that so many times as a qualification you have any information we're getting how one usual is something like this and should we be distrustful then. A some of these medical. Findings that we hear about it's unusual but it has happened before and I think the planes that people need to remember the need to understand how the medical literature process worked. It is based on intense scientific integrity. The publications. All of them use ethical standards very similar the ones we use in journalism. There is a very strict and rigorous peer review process that's involved before something is published even online. The methodology has to be sound for the deed a collection. And the funding and support always has to be disclosed so these are just some of the principles. From people here a journal retract and that's the journal doing its job of oversight all right doctor generally appreciated thank you.

This transcript has been automatically generated and may not be 100% accurate.

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