Trump administration to distribute 150m rapid Covid-19 tests
ঢাকা ট্রিবিউন
প্রকাশিত: ২৯ সেপ্টেম্বর ২০২০, ১২:৩৬
Antigen tests work best when a person has a lot of virus in their nose, which is probably also the point at which they are most contagious
