New flu strains lessen vaccine’s effectiveness
Coughing, sniffling, runny noses, headaches, muscle pain and high fever.
For Elis looking to escape flu symptoms such as these, Yale University Health Services vaccinates hundreds of students at each residential college each year — but this year, immunizations may not have been as successful as expected.
The flu vaccine has proven to be much less effective this season than in previous years, with an estimated efficacy of 40-60 percent, compared with the usual 70-90 percent, said David Katz, adjunct associate professor of epidemiology and public health.
The vaccine’s...
Sorry, but comments are disabled for this article.