Covid-flu joint booster jab possible late 2023, hopes Moderna
প্রকাশিত: ১৮ জানুয়ারি ২০২২, ১৮:৪৫
Moderna aims to roll out a combined Covid-flu-RSV booster vaccine in late 2023, the United States pharmaceutical firm said on Monday, hoping a joint jab would encourage people to get an annual shot....