For Karl Lauterbach, it's a game changer: At the end of last week, the SPD politician noticed a study according to which the asthma spray budesonide can reduce the risk of hospitalization by more than 90 percent in a person infected with corona.
Unfortunately, in this case, the agent was only tried on 73 test persons, which is very little for a scientific study.
Other experts were therefore much more cautious in their assessment.
On Monday, British researchers presented the results of a much larger study - with a total of 2,617 infected.
Who is budesonide recommended for?
And what can one hope for from her?
A look at what science has put together so far.