Reinfection with COVID-19 is not uncommon, but generally takes time due to the presence of antibodies formed. Recently scientists were surprised by reinfection that occurred only 20 days apart.
In that case, the distance from one infection to another is believed to be the fastest so far. Experienced by a 31-year-old woman who works as a health worker, this case was reported at the European Congress of Clinical Microbiology & Infectious Diseases (ECCMID).
The woman was first diagnosed positive on December 20, 2021 through a PCR (polymerase chain reaction) test for screening at work. It was stated that he had received a full vaccination and had a booster 12 days earlier.
Due to asymptomatic, this woman only underwent isolation for 10 days before returning to work. On January 10, 2022, just 20 days after testing positive for the first time, he developed a cough and fever.
PCR tests showed this woman came back positive for COVID-19. The results of the whole genome sequencing (WGS) examination revealed that he was infected with two different variants of COVID-19. The first infection is the Delta variant, and the second is Omicron.
The Omicron variant is one of the variants designated as a Variant of Concern (VOC) by the World Health Organization (WHO) a month before this woman was infected.
“This case demonstrates the potential for the omicron variant to escape the previous immunity that was formed from natural infection of other variants, as well as from vaccination,” said Dr Gemma Recio of the Institut Catala de Salut in Spain, who studied the case.
Watch Videos “Causes of Omicron More Potential to Trigger Covid-19 Reinfection“
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