What are the different stages of a drug trial, as WHO restarts hydroxychloroquine studies?

WHO is restarting hyrdroxychloroquine tests on Covid-19 patients, as a study published on The Lancet review was judged unreliable. But what are the different stages of a drug trial ? FRANCE 24’s Julia Sieger explains.

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In This Story: COVID-19

Covid-19 is the official WHO name given to the novel coronavirus which broke out in late 2019 and began to spread in the early months of 2020.

Symptoms of coronavirus

The main symptoms of coronavirus are:

  • a persistent new cough (non productive, dry)
  • a high temperature (e.g. head feels warm to the touch)
  • shortness of breath (if this is abnormal for the individual, or increased)

Latest News about Covid-19

Below are stories from around the globe related to the 2020 outbreak of novel Coronavirus – since the WHO gave the Covid-19 naming. Most recent items are posted nearest the top.

5 Recent Items: COVID-19

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