Five US states had coronavirus infections even before first reported cases: study
At least seven people in five US states were infected with the novel coronavirus weeks before the states reported their first cases, a large new government study showed, pointing to the presence of the virus in the country as early as December 2019.
from bdnews24.com - Home https://ift.tt/2RXkbUi
from bdnews24.com - Home https://ift.tt/2RXkbUi
No comments