That’s how fast you can get re-infected with Omicron

A european The health worker was infected with Covid-19 twice in the space of 20 days. This is believed to be the shortest time between two infections since the pandemic began.

The 31-year-old Spanish woman was infected with the Delta variant followed by the Omicron variant of the virus in just under three weeks.

“Vaccinated people who have had covid-19 cannot assume that they are protected against re-infection,” the researchers say of the case study.

The woman, who has remained anonymous, was infected in December 2021, 12 days after receiving her booster vaccine against covid. The first positive result was detected through routine health care tests.

The health worker had no symptoms and was isolated for 10 days. Days after returning to work in January, he began showing symptoms of Covid-19 (cough and fever, as well as feeling generally unwell) and took a test that came back positive.

Laboratory tests showed that she was initially infected with the Delta variant of the virus that causes covid-19, followed by the Omicron variant.

His case, to be presented at the European Congress of Clinical Microbiology and Infectious Diseases in Portugal, is believed to be the shortest known gap between infections.

Dr Gemma Recio, from the Institut Catala de la Salut in Spain, one of the authors of the study, said: “This case highlights the potential of the Omicron variant to evade previous immunity acquired either by natural infection with other variants or for vaccines. ”

He continued: “In other words, people who have had Covid-19 cannot assume that they are protected against reinfection, even if they have been fully vaccinated.”

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