Covid-19 may have started in raccoon dogs, new DNA evidence shows
17 March 2023
Swabs taken from various surfaces at a seafood and live animal market in Wuhan, China, that were positive for the coronavirus also have evidence of DNA from raccoon dogs
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Premium
Do we have 'immunity debt' and how could it affect our infection risk?
29 November 2022
The covid-19 lockdowns undoubtedly saved many lives, but the prolonged restrictions also reduced our exposure and immunity to other infections, which could be set to spike in the UK this winter
NHS invites 12 million people to have booster to ward off 'twindemic'
27 September 2022
Last year's warnings about a particularly bad flu season didn't materialise, but an earlier and more severe outbreak in Australia doesn't bode well for the northern hemisphere
Coronavirus in late pregnancy raises premature birth risk seven-fold
20 July 2022
Testing positive for the coronavirus in the last three months of pregnancy may double the risk of a premature birth, rising to a seven-fold increased risk if infected after 34 weeks
Coming off methotrexate doubles antibody levels after covid-19 vaccine
27 June 2022
People with conditions like psoriasis and rheumatoid arthritis who took a two-week break from the immune-suppressing drug methotrexate saw their antibody levels double up to 12 weeks after their third covid-19 vaccine, compared with people who took the...
Long covid risk with omicron variant may be half what it is with delta
17 June 2022
After analysing a symptom-tracking app, researchers found 4.5 per cent of users who were infected when the omicron variant was dominant had symptoms at least four weeks later, compared with 10.8 per cent of the users who probably caught delta
Severe covid-19 symptoms linked to more than 1300 genetic variants
14 June 2022
Hundreds of genetic variants may influence your risk of becoming severely ill with covid-19, a discovery that could lead to more targeted treatments or even tests that assess a person's likelihood of complications
Covid-19 in pregnancy linked to delays in babies reaching milestones
9 June 2022
In a small study, babies born to women who caught covid-19 while pregnant had a 6 per cent chance of a developmental delay diagnosis by 1 year of age, compared with a 3 per cent chance among babies whose mothers weren't infected
Covid-19 rebound seen in some people after taking Pfizer drug Paxlovid
18 May 2022
Pfizer’s Paxlovid can prevent severe covid-19 in vulnerable people when taken as a five-day course at home, but the medicine may not eradicate the virus in everyone
