AstraZeneca COVID-19 vaccine shows promise with two shots in Pig trial
The ChAdOx1 nCoV-19 vaccine, also known as AZD1222, was originally developed by Oxford University scientists, who are now working with AstraZeneca on development and production.;
UK: A trial in pigs of AstraZeneca's experimental COVID-19 vaccine has found that two doses of the shot produced a greater antibody response than a single dose.
Research released by Britain's Pirbright Institute found that giving an initial prime dose followed by a booster dose of the vaccine-elicited a stronger immune response than a single dose. This suggests a two-dose approach may be more effective in getting protection against COVID-19, the disease caused by the new coronavirus.
"The researchers saw a marked increase in neutralising antibodies, which bind to the virus in a way that blocks infection," the Pirbright team said in a statement. They added, however, that it is not yet known what level of immune response will be required to protect humans.
The ChAdOx1 nCoV-19 vaccine, also known as AZD1222, was originally developed by Oxford University scientists, who are now working with AstraZeneca on development and production.
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