A COVID patient who was reinfected with the South African variant is in a serious condition in hospital.
The 58-year-old man with a history of asthma caught the variant four months after recovering from Covid-19 in France, according to the Clinical Infectious Diseases journal.
He was diagnosed with Covid in September after having a mild fever and shortness of breath.
The man recovered from the bug after a few days, and tested negative twice in December.
Last month, he was admitted to hospital after suffering from shortness of breath and a fever.
He tested positive for Covid again, and research found that he had the South African variant.
A week after arriving at the hospital, the man developed severe acute respiratory distress syndrome and had to be put on a ventilator.
He remains in a critical condition in hospital.
Testing found that he had antibodies against SARS-CoV-2.
Studies have suggested that people who catch Covid are generally immune for at least six months.
There have been reports of reinfections even in those with antibodies.
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