4 ms·
The study doesn't seem to call out how many numbers in each cohort actually got the flu in the time period. Also, that the vaccines are created anew each year
by headsoup 4y ago
The study doesn't seem to call out how many numbers in each cohort actually got the flu in the time period. Also, that the vaccines are created anew each year for the particular strains of flu likely to be an issue also requires investigation.