There are two circulations per year in March and October.
We consider that if a quality assurance scheme is to be suitable as revalidation method it should have two circulations per year, requirement for membership or a substantial pediatric pathology workload.
The following parameters were evaluated: number of circulations per year, number of slides, membership requirement, proof of significant pediatric pathology work, open to overseas participants, laboratory accreditation, issue of continuing professional development certificates and credits, slides discussion meeting, use of digital images, substandard performance letter, and anonymity of responses.
The weekly has a circulation of about 45,000, and according to The New York Times, loses about $2 million per year.
Bahit, MC, Granger, CB, Alexander, KP, Kramer, J, Lapointe, NMA, and Califf, RM. "Applying the evidence: Opportunity in US for 80,000 additional lives saved per year". CIRCULATION 102, no.
Total average circulation per issue: 919,740, up 0.2% year on year – excluding New! Star performers: New! up 44.4%, Star up 38.7% (both year on year) Disappointments: OK! down 20.2% MediaGuardian.co.uk verdict: New! and Star both up, thanks in part to some helpful multi-packing with other N&S titles, but it's not OK at OK!
Put differently, the income velocity of circulation is equal to 10 per year; that is, each $1 on average is paid out 10 times a year.
The flu viruses in circulation change from year to year.
Amid declining circulation, the paper reportedly loses some $30 million per year and invested $150 million in a printing press.
Multiple epidemics per year and more prolonged virus circulation might also limit the pool of susceptible children.
