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Joe Phaahla - COVID-19 Omicron sub-variants dodge immunity from past infection, South African study finds - fox29.com - South Africa - city Johannesburg
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COVID-19 Omicron sub-variants dodge immunity from past infection, South African study finds
JOHANNESBURG - Researchers in South Africa have found two new Omicron sub-variants that were able to evade antibodies from previous infections and vaccinations, Reuters reported on May 1. According to a study, led by the Africa Health Research Institute in South Africa, researchers found that blood samples from vaccinated individuals showed their antibody production dropped eight times when tested against the two Omicron sub-variants, BA.4 and BA.5, according to Reuters."The vaccinated group showed about a 5-fold higher neutralization capacity ... and should be better protected," said the study, a pre-print of which was obtained by Reuters. The new findings follow a warning from South Africa’s health minister who said last week the country has already likely entered a new wave of COVID-19 earlier than expected following a recent rise in hospitalizations and infections. The increase in new cases has been dominated by the BA.4 and BA.5 lineages of the omicron variant which dominated the country’s earlier wave of the virus."Whichever way you look at it, it does suggest that we may actually be entering the fifth wave much earlier," Health Minister Joe Phaahla said Friday at a televised press briefing.He said officials will be watching carefully over the next few days to determine if the increase is sustained which would confirm a new wave.A health worker administers a Covid-19 vaccine to a student during a rural vaccination drive by Broadreach NGO at Duduzile Secondary School in Mpumalanga, South Africa, on Wednesday, March 9, 2022.
Tim Spector - Early signs you may have Omicron Covid variant - even if fully vaccinated - dailystar.co.uk - India - Britain - Hong Kong - Norway - South Africa
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Early signs you may have Omicron Covid variant - even if fully vaccinated
Omicron variant of Covid has show two early warning signs that you might have the virus – even if you've been vaccinated.According to experts, if you feel dizzy or fatigued, you might have caught the virus – regardless of how many jabs or boosters you have had.The variant was first found in South Africa and Hong Kong in November, 2021, and came to the UK a few weeks later in December.It was thought to be a much milder strain when compared to the then-more dominant Delta strain, which had taken hold of the country at the time.According to a recent report published in infectious disease and epidemiology journal, Eurosurveillance, there were eight key symptoms experienced by a Norwegian group of fully vaccinated partygoers recently.These were a cough, runny nose, fatigue, sore throat, headache, muscle pain, fever and sneezing.The study found that cough, runny nose and fatigue were among the most common symptoms in the vaccinated individuals while sneezing and fever were least common in the milder strain of the virus.This prompted nausea to be added to the official symptoms list worldwide, as dizziness was already on it.And according to Professor Tim Spector, the man behind the much-lauded ZOE Symptom Study app, around half of all new colds are actually Covid.To stay up to date with all the latest news, make sure you sign up for one of our newsletters here.Fatigue can also present itself as sore or weak muscles, headaches, and even blurry vision and loss of appetite.The news of two new symptoms comes as two new variants of Omicrom were found in Bengaluru, India.According to New Indian Express, BA.2.10 and BA.2.12 were found, but not much data exists yet as these are the first sightings of the new variant.A spokesman for the
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