A record 81 U.S. flights were investigated in 2018 for carrying at least one person contagious with the disease, which has had a large number of outbreaks this year.
KAREN SCHWARTZ, NY Times: Science
Thu, 03/14/2019 - 2:02pm
A record 81 U.S. flights were investigated in 2018 for carrying at least one person contagious with the disease, which has had a large number of outbreaks this year.