- Man caught Covid-19 twice and second infection 'was more severe' Telegraph.co.uk
- Covid-19 Reinfection ‘More Severe’, Patients Require Hospitalisation with Oxygen Support: Study News18
- Covid-19 reinfection case suggests second diagnosis can be more severe The National
- 1st US case of person infected twice by coronavirus confirmed 9News.com KUSA
- First US coronavirus reinfection as ‘healthy’ man, 25, ends up on OXYGEN in hospital The Sun
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