Nearly 8% of Americans who have received their first BioNTech-Pfizer or Moderna shot have not returned for their second dose, according to recent CDC data. Just how effective is a single dose?
Nearly 8% of Americans who have received their first BioNTech-Pfizer or Moderna shot have not returned for their second dose, according to recent CDC data. Just how effective is a single dose?
Vaccine-firm CEO: Europe to have herd immunity by summer
Today, 07:05 Europe will reach herd immunity in July, latest by August, according to Ugur Sahin, the CEO of German vaccine-maker BioNTech, speaking Wednesday. He was confident his firm s jab worked against the Indian Covid-19 variant, he added. Some 68.3 percent of British adults had antibodies in their system due to vaccines as of 11 April, the UK s Office for National Statistics also estimated Wednesday, up from 53.1 percent on 4 April.
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Air pollution in the UK fell to its lowest levels in decades last year due to the coronavirus pandemic’s unprecedented restrictions curbing traffic.
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Average levels of nitrogen dioxide (NO2), a toxic gas produced largely by diesel vehicles, fell to their lowest point since records started in 1997. Many UK cities have been in breach of legal limits on NO2 for more than a decade. The ONS said covid-19 restrictions were probably a “large contributing factor” to the decline.
The average roadside concentration of NO2 per cubic metre was 23 micrograms in 2020, down from 30 µg/m³ in 2019 and 60 µg/m³ in 1997. The annual legal limit is 40 µg/m³.
Experts are saying that countries with a higher coronavirus caseload, including India, need to prepare to deal with the long-term effects of the illness. This phenomenon is being termed as 'Long Covid'.