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Which Covid variant affects your upper, lower respiratory tract and how severe it can get

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Covid-19 wave emerges, while China battles a resurgence of the pandemic fueled by the Omicron variants, here is a guide to which mutated variant of the SARs-COV-2 is likely to affect your Upper Respiratory tract and the Lower Respiratory Tract and how severe can it get.  General Trivia Preliminary evidence suggests there may be an increased risk of reinfection with Omicron (ie, people who have previously had Covid-19 could become reinfected more easily with Omicron), as compared to other variants of concern.

Reinfection with BA.2 following infection with BA.1 has been documented, however, initial data from population-level reinfection studies suggest that infection with BA.1 provides strong protection against reinfection with BA.2, at least for the limited period for which data are available, says WHO.

While the heavily mutated strain is believed to be highly transmissible, the Delta variant, which was one of the driving forces of the second Covid-19 wave, is still the most dominant strain across the globe.

However, both these WHO-declared 'variants of concern', although very contagious, are said to affect the body in a different manner.

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Luke Wilson - Met officer headbutts barman while flouting Covid rules in boozy attack caught on CCTV - dailystar.co.uk
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Met officer headbutts barman while flouting Covid rules in boozy attack caught on CCTV
Metropolitan Police officer who headbutted a cocktail bar manager after flouting the Covid "rule of six" has been spared jail.PC Luke Wilson, 28, attacked Johnny White while on a boozy night out in the City of London with colleagues from the Lewisham emergency response unit on July 2 last year.Wilson denied the offence but CCTV footage shows him headbutting the victim at Be At One cocktail bar in Monument.Mr White allowed the officers entry to the venue but told them they would have to be seated across different tables in line with the restrictions.Bar staff confronted the group of up to 25 off-duty colleagues for flouting the rules but were told to "lighten up", Westminster Magistrates' Court heard.CCTV shows that by 8pm, some of the group have started moving between tables which resulted in ten people sitting at one of the tables.The bar manager speaks to Wilson and explains that this isn't allowed.He then approaches the group of ten and explains four of them will have to move to another table.Wilson follows Mr White to the table but remains standing up.The footage shows Wilson squaring up to the victim and putting his face within a few inches of the victim's.Mr White steps backwards but the officer moves forward to close the gap between them, then headbutts him.The victim suffered minor injuries and Wilson denied the offence when he was interviewed the next day, claiming he had felt threatened.Wilson was shown CCTV footage of the victim standing with his hands in his back pockets and not appearing to be behaving aggressively towards him.The PC, of Gravesend, Kent, was convicted of common assault following an investigation by the City of London Police.He was sentenced to ten weeks imprisonment, suspended for 12 months,
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