Comments by "Kenz300 x" (@KJSvitko) on "How long does immunity against the coronavirus last? | COVID-19 Special" video.

  1. Elections matter. Voting matters. Vote for leaders that respect science and scientists.
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  2. HVAC manufacturers need to improve systems are improve air flow and filtering. HEPA filters and UV lights should be tested. For now restaurants need to be in open air spaces..
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