The response was lowest among patients who were in the process of receiving treatment, with only 16% of them developing antibodies.
At the peak of the pandemic some 1,200 people were in serious condition.
The Indian variant is a “double mutation.” One aspect of it appears to make the virus more infectious.
Apple is teaming up with UW and Seattle Flu Study to find out if smart watches can detect early signs of respiratory illness.
Health Minister Yuli Edelstein: "We must make every effort to open the maximum possible with the least risk for students."
"Corona is not over yet, and we are ready for every possible scenario," he said.
At the peak of the pandemic around mid-January, the number of serious patients stood for several days at 1,200.
“We’ve seen unprecedented interest since spring 2020,” said Marc Rosenberg, “past national or international events sparked inquiries and applications, but never like this.”
“As long as the R rate remains below 1, and even more so below 0.8, I do not think there is a reason to worry, and we can continue to open up our economy,” Public Health Services head said.