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Bharat Biotech: Covaxin booster dose effective against neutralising Omicron and Delta variants of COVID-19

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Moderna COVID Vaccine Effective Against Emerging Variants

Vaccines effective against variants but overseas travel still not safe: WHO

Novavax Covid vaccine found 90% effective against Covid and its variants| Oneindia News

Single Shot Of COVID Vaccine Leaves People Vulnerable to Variants

Single Shot Of COVID Vaccine Leaves People Vulnerable to Variants

Moderna says its Covid vaccine is effective against UK and South Africa variants

New Canadian Study Finds COVID-19 Vaccines Very Effective Against 4 Variants Of Concern

Fighting COVID variants, experts working to see if vaccines are effective

FDA: COVID-19 vaccines are still effective vs new variants

Scientists race to find a 'universal vaccine' effective against all COVID-19 variants

Pfizer-BioNTech Vaccine Shows Promise Neutralizing Variants

Is the vaccine effective against the newer variants of Covid-19?

One dose of Covid vaccine 96.6% effective in preventing death, second dose 97.5%_ Govt data _ TV9

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