Inconclusive origins It’s been more than 18 months since the first cases of a mysterious “pneumonialike illness” were reported in Wuhan, China. The world still isn’t any closer to understanding how the pandemic started. The director of national intelligence delivered a preliminary report to President Biden on Tuesday about the pandemic’s origin. But officials have yet to answer the biggest question: whether the coronavirus was the result of an accidental leak from a Wuhan lab or whether it emerged naturally in a spillover from animals to humans. Officials have repeatedly…