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Health

Factbox: COVID-19 vaccine frontrunners

FILE PHOTO: The word "COVID-19" is reflected in a drop on a syringe needle in this illustration taken November 9, 2020. REUTERS/Dado Ruvic/Illustration/File Photo

(Reuters) - AstraZeneca Plc said on Monday its vaccine for the novel coronavirus developed by Oxford University could be around 90% effective without any serious side effects.

The effectiveness of the vaccine depended on the dosing, and fell to just 62% when given as two full doses rather than a half-dose followed by a full dose at least one month apart.

The data follows positive results from Pfizer Inc, Moderna Inc and Russia’s Sputnik V. Pfizer said last week it will apply to U.S. health regulators for emergency use authorization (EUA) of its COVID-19 vaccine.

More than 150 potential vaccines are being developed and tested globally to stop the COVID-19 pandemic, with 48 in human trials, according to the World Health Organization (WHO).

Reporting by Amruta Khandekar, Dania Nadeem, Mrinalika Roy and Vishwadha Chander in Bengaluru; editing by Ankur Banerjee, Ramakrishnan M., Sriraj Kalluvila, Maju Samuel and Aditya Soni

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