A well being employee in Spain caught Covid twice in 20 days in what’s the shortest-known hole between infections, Spanish researchers have stated.
The 31-year-old lady was contaminated with two completely different variants, Delta in late December and Omicron in January.
The healthworker didn’t develop any signs after her first constructive PCR take a look at in December.
Nevertheless, inside a number of weeks she developed a cough and fever and took one other take a look at, which once more confirmed constructive.
Analyses on the assessments confirmed that the affected person had been contaminated with two completely different variants of the virus.
In a presentation on the European Congress of Medical Microbiology and Infectious Ailments, research writer Dr Gemma Recio stated the case highlighted that Omicron can “evade the earlier immunity acquired both from a pure an infection with different variants or from vaccines”.
Dr Recio, from the Institut Catala de Salut, Tarragona in Spain, stated: “In different phrases, individuals who have had Covid-19 can’t assume they’re protected in opposition to reinfection, even when they’ve been absolutely vaccinated.
“However, each earlier an infection with different variants and vaccination do appear to partially shield in opposition to extreme illness and hospitalisation in these with Omicron.”
The research’s writer additionally stated that it was vital to watch reinfections of people that have been absolutely vaccinated.
Within the UK, reinfections require 90 days between constructive assessments.
Well being officers say that almost 900,000 individuals have probably been contaminated twice with Covid as much as the beginning of April. Nevertheless, it’s onerous to offer a exact quantity as a result of not all constructive assessments undergo the entire genome sequencing wanted to verify if infections are from completely different strains.
Based on UK authorities knowledge, within the week main as much as April 20, 174,982 individuals had a confirmed constructive take a look at end result. This can be a lower of 31 per cent in comparison with the earlier seven days.
Nevertheless, these outcomes do replicate how many individuals have the virus with out realizing as free lateral circulation assessments have been scrapped earlier this month as a part of the federal government’s Residing with Covid plan.
Covid reinfections shot up in December 2021 after the far more infectious Omicron variant emerged. March noticed one other enhance of infections when a barely completely different model of Omicron, known as BA.2, appeared.