The steady drumbeat of reports about new variants of the coronavirus — first in Britain, then in South Africa, Brazil and the United States — have brought a new worry: Will vaccines protect against these altered versions of the virus?
The answer so far is yes, several experts said in interviews. But two small new studies, posted online Tuesday night, suggest that some variants may pose unexpected challenges to the immune system, even in those who have been vaccinated — a development that most scientists had not anticipated seeing for months, even years.
Unable to view this article?
This could be due to a conflict with your ad-blocking or security software.
Please add japantimes.co.jp and piano.io to your list of allowed sites.
If this does not resolve the issue or you are unable to add the domains to your allowlist, please see out this support page.
We humbly apologize for the inconvenience.
With your current subscription plan you can comment on stories. However, before writing your first comment, please create a display name in the Profile section of your subscriber account page.