Flu (Influenza)
Below are links to information related to flu. Click on the right menu or scroll down to view general information and programs, research, statistics and guidelines on this topic.
General Information and Programs
Fast Stats A-Z: Influenza Statistics
Research
2012
Update: Influenza Activity -- United States, 2011-12 Season and Composition of the 2012-13 Influenza Vaccine (6/30/2012)
This report summarizes influenza activity in the United States during the 2011-12 influenza season (October 2, 2011-May 19, 2012) and reports the recommendations for the components of the 2012-13 Northern Hemisphere influenza vaccine.
Influenza Vaccination Coverage Among Pregnant Women - 29 States and New York City, 2009-10 Season (3/8/2012)
Results from PRAMS for the 2009-10 influenza season indicate that trivalent seasonal and monovalent pH1N1 vaccination coverage levels among women pregnant during the season were higher than previous seasonal rates, were highly associated with a health-care provider offer or recommendation for vaccination during pregnancy, and varied substantially among states.
2011
Pregnant Women Need a Flu Shot (12/8/2011)
If you're pregnant, a flu shot is your best protection against serious illness from the flu. A flu shot can protect pregnant women, their unborn babies, and even their babies after birth.
Self-
Reported Influenza-Like Illness During the 2009 H1N1 Influenza
Pandemic - United States, September 2009-March 2010 (1/24/2011)
This report summarizes results from BRFSS surveys conducted during
September 2009--March 2010. Among 216,431 adults and 43,511 children
(aged <18 years), the average monthly percentage of respondents
reporting ILI in the 30 days preceding the interview was 8.1% among
adults.
Seasonal
Influenza and 2009 H1N1 Influenza Vaccination Coverage Among Pregnant
Women - 10 States, 2009-10 Influenza Season (1/10/2011)
To estimate influenza vaccination coverage among pregnant women during
the 2009--10 influenza season, CDC analyzed data from 10 states from
the Pregnancy Risk Assessment Monitoring System . This report summarizes
the results of that analysis, which determined that vaccination coverage
for pregnant women among the 10 states combined was 50.7% for seasonal
influenza and 46.6% for 2009 H1N1.
2010
Seasonal
Flu Videos in American Sign Language (8/31/10)
The University of Rochester Prevention Research Center and the Deaf
Wellness Center partnered with CDC's Community Health Outreach and
Education Section to create informational videos in American Sign Language
about the seasonal flu.
2009
Pandemic Influenza A (H1N1) in Pregnant Women Requiring Intensive
Care - New York City, 2009 (4/15/10)
The findings indicated that, during 2009, 16 pregnant women and one who was postpartum
were admitted to intensive-care units. Two women died. (4/15/10)
Patients
Hospitalized with 2009 Pandemic Influenza A (H1N1) - New York City,
May 2009 (2/24/10)
Approximately 60% of admitted patients were aged <18 years. The
most commonly documented underlying condition was asthma, observed
among 50% of patients aged <18 years and 46% of adult patients.
Among the 24 female patients aged 15-49 years at the time of hospital
admission, seven (29%) were pregnant or within 10 days after delivery,
of whom four had additional underlying conditions.
Outbreak
of 2009 Pandemic Influenza A (H1N1) at a School - Hawaii, May 2009 (2/24/10)
This report summarizes the results of the investigation, which detected
an outbreak of pandemic H1N1 cases at the school over the ensuing 3
weeks. A total of 16 cases were identified; all patients recovered
with no hospitalizations or deaths. HDOH, the school, and the Hawaii
Department of Education (HDOE) instituted an education campaign asking
students and employees to stay home if ill. After consulting with HDOH,
school officials decided not to close the school; the outbreak ended
after 19 days.
Impact
of Seasonal Influenza-Related School Closures on Families - Southeastern
Kentucky, February 2008 (1/11/10)
This report summarizes a survey, which indicated that 97.0% of respondents
agreed with the decision to close schools. In 29.1% of households,
an adult had to miss work to provide child care, and in 15.7% of households,
at least one adult lost pay because of missed work.
2009
Influenza
Vaccination Coverage Among Children and Adults - United States, 2008-09
Influenza Season (11/12/09)
This report summarizes the results of the analysis, which indicated that reported
influenza vaccination coverage of ≥1 doses was 40.9% for ages 6-23 months,
32.0% for 2-4 years, and 20.8% for 5-17 years. Among adults, reported coverage
was 32.1% for persons aged 18-49 years with high-risk conditions, 42.3% for persons
50-64 years, and 67.2% for persons ≥65 years.
Updated
Interim Recommendations for Obstetric Health Care Providers Related
to Use of Antiviral Medications in the Treatment and Prevention of
Influenza for the 2009-2010 Season (10/13/09)
Pregnant women are at higher risk for severe complications and death
from influenza, including both 2009 H1N1 influenza and seasonal influenza.
Treatment with oseltamivir (Tamiflu®) or zanamivir (Relenza®)
is recommended for pregnant women with suspected or confirmed influenza
and can be taken during any trimester of pregnancy.
Receipt
of Influenza Vaccine during Pregnancy among Women With Live Births-
Georgia and Rhode Island, 2004-2007 (10/13/09)
This report showed that in Georgia, the prevalence of influenza vaccination
during the woman's most recent pregnancy increased from 10.4 percent
in 2004 to 15.5 percent in 2006. In Rhode Island, vaccination prevalence
increased from 21.9 percent in 2004 to 33.4 percent in 2007. Increased
efforts are needed to assess vaccine coverage during pregnancy and
to educate providers and pregnant women.
Questions
and Answers: Use of Antiviral Medicines for the Treatment and Prevention
of Flu among Pregnant Women for the 2009-2010 Season (10/13/09)
Pregnant women who are healthy have had severe illness from the 2009
H1N1 flu (also called “swine flu”). Compared with people
in general, pregnant women with 2009 H1N1 flu have been more likely
to be admitted to hospitals, and some have died. CDC advises doctors
to give antiviral medicines that treat 2009 H1N1 flu to pregnant women
who have symptoms of flu.
Use
of Influenza A (H1N1) 2009 Monovalent Vaccine: Recommendations of
the Advisory Committee on Immunization Practices (ACIP), 2009 (9/30/09)
Five initial target groups have been identified for vaccination efforts.
Priorities have been established for a subset of persons within the
initial target groups in the event that initial vaccine availability
is unable to meet demand. Guidance is provided on use of vaccine in
other adult population groups as vaccine availability increases.
Reproductive
Health and Novel H1N1 Flu (9/30/09)
CDC is concerned about women and their families when there are threats
from disease or disasters. This includes women who may be pregnant,
who have recently been pregnant, may be trying to conceive, or who
are considering reproductive health treatments. Special health information
on novel H1N1 flu is updated continually and provided for a variety
of groups and audiences.
H1N1
2009 Influenza Virus Infection during Pregnancy in the USA (Lancet)
(8/10/09)
The article describes the cases of 34 pregnant women who contracted
novel H1N1 influenza virus infection in the United States during the
first month of the outbreak (mid-April–mid-May 2009). Thirty-one
had confirmed infections, and three were probable infections. This
report was published in Lancet online ahead of print publication for
July 29, 2009.
CDC
Advisors Make Recommendations for Use of Vaccine against Novel H1N1 (8/10/09)
CDC's Advisory Committee on Immunization Practices developed recommendations
on who should receive vaccine against novel influenza A (H1N1) when
it becomes available. Five key priority populations include pregnant
women and people who live with or care for children younger than 6
months of age.
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Page last modified: July 3, 2012
Page last reviewed: July 3, 2012