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              Q&A: COVID-19 booster shots2021-10-26 
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              Q&A on booster shots and COVID-19 variants2021-09-09 The National Health Commission has responded to key public concerns about COVID-19 booster shots and vaccine effectiveness amid a global resurgence of novel coronavirus and its variants in recent weeks. 
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     Q&A: Vaccine protection and booster shots2021-08-09 The National Health Commission has responded to concerns about COVID-19 vaccines' protective effects and the necessity of booster shots. Check it out. 
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              What we know about the Delta variant2021-08-13 The highly contagious variant, first identified in India in October, has been described by officials from the World Health Organization as "the fastest and fittest coronavirus strain". 
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     Q&A on vaccine protective effects, booster shot2021-08-05 The National Health Commission has responded to key public concerns about COVID-19 vaccines and disease control policies amid a resurgence of novel coronavirus fueled by the Delta variant in recent weeks. 

