© Provided by Xinhua Those who lived with a handgun owner were almost twice as likely to die by homicide as their neighbors without guns, a study has s
The majority of the vaccines available for COVID-19 have two doses. People are said to become more capable of resisting the virus after the second dose. But, a
The effectiveness of the Sputnik V COVID-19 vaccine against the Omicron coronavirus variant is 75 per cent, Alexander Gintsburg, the head of Russia Gamaleya R
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