They never stopped recommending it, they have just started to push it more aggressively.
You seem to be saying: Prior to the 1980s the WHO had a certain policy about indoor residual spraying with DDT, namely to promote it in some situations and not others. Contrary to the WHO's recent press release, there was little or no change in that policy in the 1980s, but the press release is correct in saying that now there has been a change: they are pushing indoor residual spraying with DDT more aggressively. And this new policy is unsound.
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Re: Did they really change their policy?
They never stopped recommending it, they have just started to push it more aggressively.
You seem to be saying: Prior to the 1980s the WHO had a certain policy about indoor residual spraying with DDT, namely to promote it in some situations and not others. Contrary to the WHO's recent press release, there was little or no change in that policy in the 1980s, but the press release is correct in saying that now there has been a change: they are pushing indoor residual spraying with DDT more aggressively. And this new policy is unsound.
Is that correct?