Meanwhile, in China vaccine trials, experts are trying to develop a nasal spray where the volunteers will not receive painful injection. Here are the latest development in Covid-19 vaccine trials:*Pharma giant AstraZeneca resumed British clinical trials of its Covid-19 vaccine after getting the green light from the country’s safety watchdogs. *Pfizer Inc and BioNTech SE proposed to the US Food and Drug Administration (FDA) to expand their Phase 3 pivotal Covid-19 vaccine trial to about 44,000 participants. *In first so far, China began testing a nasal spray vaccine for the coronavirus as against to the injection currently in development by other pharmaceutical companies. It approved Phase 1 human testing for the nasal spray vaccine this week.

Source: Hindustan Times September 13, 2020 05:46 UTC