If the population of the community was 1,000, then the overall attack rate was 18 â 1,000 Ã 100% = 1.8%. One incubation period later, 17 persons in the same households as these primary cases developed shigellosis. If the 18 households included 86 persons, calculate the secondary attack rate.
And Sam's Club is not a cheapest-of-the-cheap outlet. You need a membership to shop there, a privilege that comes with a $45 yearly membership fee. That's cheaper than Costco's $55 a year, but it's still an expense. If it's true that Sam's Club is relying on customers who need food assistance, Landes said, then it's not clear if they have the right merchandise for that consumer.
For memberships renewing or beginning in 2017, APS membership rates for one calendar year are $153 for Regular members and Fellows; $77 for Early Career and Senior members; $37 for Graduate Student members; $25 for Undergraduate Students; $2295 for Life members; and $1155 for Senior Life members.