The Delta variant and changes in human behavior – such as the end of masking and social distancing – may explain why COVID-19 vaccines became less effective at protecting New Yorkers against infection, a new study from the state’s Department of Health (DOH) finds.
The coronavirus Delta variant, which has become dominant in a number of countries including the UK, most likely spreads through its ability to evade antibodies and its increased infectivity, researchers have said.
People infected with the Delta variant of Covid-19 carry twice the risk of needing to be treated in hospital than those with the Alpha strain, a study has suggested.
With the school term finally over, Britons are flying to Europe in their tens of thousands, record levels for this Covid year. They are arriving in countries where the Delta variant paralysing Britain is just becoming dominant – and Europe is responding by clamping down.
Despite the worrying rise in Covid cases, Boris Johnson confirmed his plans yesterday to lift all remaining legal coronavirus restrictions in England from July 19. Scientists and politicians have described the move as rash and have called on the Prime Minister to reconsider them.
Cases of coronavirus in Israel are rising despite widespread vaccination, indicating the Pfizer-BioNTech vaccine may only be 64 percent effective against the Delta variant of the virus.
Australia will halve the number of arrivals from overseas as its coronavirus hotel quarantine system creaks under pressure from outbreaks of the highly transmissible delta variant, Prime Minister Scott Morrison said on Friday.
