Iran begins clinical trials of two coronavirus vaccines

Iran begins clinical trials of two coronavirus vaccines

Pfizer and Russia's two frontrunner inoculations are said to be more than 90 per cent effective against coronavirus.

The scramble comes amid news from the drug giant that the new vaccine requires storage at temperatures of minus 94 degrees Fahrenheit, which is far below the standard for other vaccines that require temperatures of between minus 36-46 degrees Fahrenheit, according to a report.

"We are honored that the Government of Costa Rica has chosen the AZD1222 vaccine candidate as part of its vaccination plan against COVID-19 and we will continue to collaborate to co-create solutions and respond to the multiple challenges of this Pandemic". Another volunteer, identified as Carrie, said she received her first shot of the Pfizer coronavirus vaccine way back in September and another in October.

The South Korean deal marks a second production agreement since Russian Federation said on Wednesday that the vaccine was found to be 92% effective at protecting people from COVID-19 according to interim trial results.

The Sputnik V vaccine was developed at the National Research Centre for Epidemiology and Microbiology in Moscow, and its clinical trials have been announced in the United Arab Emirates, India, Venezuela and Belarus, it said. These trials will determine vaccine protection against COVID-19 and measure immune response and safety in up to 50,000 participants globally across a wide age range and diverse groups and geographies.

South Korea's GL Rapha will make more than 150 million doses of Sputnik V coronavirus vaccine per year, Russia's sovereign wealth fund said on Friday, one of its biggest production deals announced so far as Moscow aims to boost output overseas.

The Pfizer COVID-19 vaccine needs to be kept at -70 degrees Celsius and such logistics could be hard to arrange in India, especially in rural areas, said AIIMS Director Dr Randeep Guleria. The lowest minimum temperature in most of the cold chains in the country is -25 degrees Celsius, Guleria added. The drug can be entered in the vaccine registry, which are advised to use in an emergency.

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