Leon Lai says current flu vaccines in the market are leftover stocks. Photo: PaciwoodAMusic

Experts insist flu vaccines are ‘66 per cent effective’ amid doubts cast by another Hong Kong celebrity Leon Lai

Facebook post by Canto-pop star stirs more concerns following earlier viral audio clip of singer Kay Tse voicing fears

Topic |   Flu in Hong Kong

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Leon Lai says current flu vaccines in the market are leftover stocks. Photo: PaciwoodAMusic
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