Study links Disneyland measles outbreak to low vaccination rates
Source: BY KAREN KAPLAN, Los Angeles Times
March 16, 2015, 12:00 p.m
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Public health officials do keep track of vaccination rates. In California, for instance, the state Department of Public Health reported that 92.6% of kindergarten students had received at least two doses of the MMR vaccine in the 2014-15 school year.
So why did the study authors go to all this trouble? In an outbreak involving a major tourist destination like Disneyland, there is no single state, county or school district that can report the overall vaccination rate, the researchers wrote. As a result, mathematical modeling like this may give a clearer picture than any individual government agency.
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In California, three state legislators have introduced a bill that would make it more difficult for parents to opt out of vaccinations by claiming a personal belief exemption. The bill, SB 277, would require children to be vaccinated against measles and other infectious diseases before enrolling in California schools.
One of the sponsors of the bill is Dr. Richard Pan, a pediatrician who represents Sacramento.
Read more: http://touch.latimes.com/#section/1780/article/p2p-83069964/
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Measles Surveillance Updates
PDF surveillance updates of measles outbreak in California. These updates will be posted every Friday.
Measles Surveillance Update 3-20-2015 (PDF) http://www.cdph.ca.gov/HealthInfo/discond/Documents/Measles_update_3_-_20_-_2015_public.pdf
Link from: http://www.ageofautism.com/2015/03/the-disneyland-measles-outbreak-is-unofficially-over.html
"For the first time since the CDPH began posting updates on-line on February 9th, no new measles cases were added to their statewide counts."
"...infectious period of the last reported case ended on March 6th."
"...the last California resident who got sick from measles caught it a month ago."
Mark Blaxill's critical examination and number-crunching of official data remains relentless. Has this CDPH Update been reported yet?
“The outbreak will be considered over when 42 days have elapsed from the end of the infectious period of the last known B3 measles cases that was a not a new importation. As of today, that date will be April 17, 2015.”
So let’s do that math. If the CDPH will be ready to officially declare the outbreak finished a full 42 days after the infectious period of the last reported case ends, then that milestone (end of infectious period of the last reported case) has been passed already, fully two weeks ago on March 6th.
But the end of the infectious period is perhaps less important to specifying the final ebb of the measles outbreak than the date the last reported case became infected. The CDPH also states (see HERE) that “Infected people are usually contagious from about 4 days before their rash starts to 4 days afterwards”, so this last reported case probably saw their rash appear on March 2nd and were first infectious themselves around February 26th. As for the date of their first exposure, one analysis of the outbreak (see HERE) suggests that exposures to the measles virus occur roughly 10 days before the rash appears. That would put the date of infection of the last case around February 20th.
In other words, the last California resident who got sick from measles caught it a month ago...
GREAT NEWS! I was hoping someone would post it besides me.
