This season there are vaccines available that include four strains of flu virus quadrivalent as well as. However, the 2009 a h1n1 influenza pandemic brought more attention to pregnant women as a priority for the research and implementation of interventions to protect them and their newborns against the consequences of influenza disease on the mothers heath, on the outcome of the pregnancy, on the fetus, and on the young infant, who is unable. Inactivated influenza vaccination can be given in any trimester and should be given with each influenza season as soon as the vaccine is available. The tdap vaccine is given at 2736 weeks of gestation in each pregnancy, preferably as early in the 2736week window as possible. Seasonal influenza vaccination the best choice in pregnancy for mother and child seasonal influenza vaccination is safe at all stages of pregnancy. Fever, myalgia, headache, rhinitis, sore throat, and cough are. Pregnancy and pandemic influenza a h1n1 world health. Influenza is an infection of the respiratory breathing tract.
Guidelines on the management of pregnant and postpartum. Influenza vaccination is recommended for all pregnant women regardless of gestation, and for women planning pregnancy. We studied mild influenza and influenza antibodies in relation to birth weight and risks of preeclampsia, preterm birth ptb, and small for gestational age sga birth among the unvaccinated participants in the norwegian influenza pregnancy cohort. Assessment and treatment of pregnant women with suspected or. The flu shot pdf is proven safe, effective and beneficial to you and your unborn baby at any stage of pregnancy. If you deliver your baby before getting your flu shot, you still need to get vaccinated. Acetaminophen is the best option for treatment of fever in pregnancy. Who who recommends seasonal influenza vaccination to. The net result is a resounding lack of evidence of harm from flu vaccination in pregnancy. Evaluation of a patientcentered pamphlet designed to increase uptake in pregnancy. An influenza vaccine containing live viruses that have been altered to not cause disease. Although influenza vaccine effectiveness can vary from season to season, vaccination continues. Influenza vaccination in pregnant women significantly reduced the incidence of influenzalike illness in mothers and their infants when compared with control groups highquality evidence and reduced the incidence of laboratoryconfirmed influenza in infants moderatequality evidence.
Influenza virus vaccine, inactivated pregnancy warnings animal studies of administration prior to mating, during organogenesis, and later in pregnancy did not show vaccinerelated fetal malformations or variations, and no adverse preweaning developmental effects. For more information, see the mothertobaby fact sheet on the seasonal influenza vaccine flu shot at. Data on influenza vaccine safety in pregnancy are inadequate, but the few published studies report no. Pregnant women are nearly times more likely to be hospitalised with influenza than women. Acogsummary of maternal immunization recommendations. Pregnant and recently postpartum women with influenza are more. Health and human services healthy people 2020 goal of vaccinating 80% of pregnant women against influenza 6.
Influenza during pregnancy and the postpartum period. Seasonal influenza the flu this sheet talks about exposure to seasonal influenza in a pregnancy and while breastfeeding. In this report, influenza burden is defined as the total number and seasonal range of influenzaassociated hospitalizations among pregnant women and influenzaassociated deaths in infants aged influenzaassociated hospitalizations among women of childbearing age occurring among pregnant women, and the influenzaassociated hospitalization rate per 100,000 population for infants aged pdf please cite this paper as. Who position paper on vaccines against influenza pdf.
The 2009 h1n1 influenza pandemic offered an opportunity to re. Influenza infection among pregnancy is also linked to adverse pregnancy and birth outcomes. Changes in the immune system, heart, and lungs during pregnancy make pregnant women and women up to two weeks postpartum more prone to severe illness from flu, including illness resulting in hospitalization. The purpose of this study was to evaluate the safety of influenza vaccine that is administered in the second or third trimester of gestation. There are many different strains types of this virus. Pneumonia is the most common complication of influenza, and influenza can make other health problems worse. Pregnant women with suspected or confirmed influenza infection should receive antiviral. Three pregnancyrelated complications associated with pandemic h1n1 2009 were reported in may 2009. Premature birth can lead to longterm medical and social consequences. We used the screening method to estimate vaccine effectiveness ve against laboratoryconfirmed influenza in infants in england, using newly available uptake data from the clinical practice research datalink pregnancy register, matched on week of birth and. Although these numbers reflect significant progress, much room remains for improvement to meet the u.
Some barriers still persist to the implementation of influenza vaccine during pregnancy. The nasalspray form of the influenza vaccine is not recommended during pregnancy. Nov 01, 2010 influenza is a contagious airborne viral illness characterized by abrupt onset of symptoms. Influenza vaccination during pregnancy can protect women. Apprehensions about the use of thimerosalcontaining influenza vaccines, based on theoretical risk of harm to the fetal brain, were widely spread in scientific and. Fever, myalgia, headache, rhinitis, sore throat, and cough are commonly reported symptoms. Seasonal influenza vaccines are available through the national immunisation program nip for women in each pregnancy. No elevated risk was found for cancer, infections, neurodevelopmental problems, chronic diseases, or all cause morbidity or mortality in the children of vaccinated mothers. Influenza and other respiratory viruses 0000, 000000. During pregnancy, coming down with the flu is riskier than usual. Whoeurope fact sheet on influenza and pregnancy 2014. All strains are named starting with an a or b type such as influenza a h1n1 or influenza a h3n2.
Your recommendations make a difference to your patients. Pdf safety of influenza vaccination during pregnancy flor. A physician who specializes in caring for women during pregnancy, labor, and the postpartum period. Influenza virus vaccine, inactivated use during pregnancy. Nov 07, 20 some barriers still persist to the implementation of influenza vaccine during pregnancy. Information on the dangers of influenza during pregnancy and. The effects of maternal influenza infection on the fetus remain unclear. This information should not take the place of medical care and advice from your healthcare provider. The complications may put both mother and baby at risk. Influenza immunization for pregnant women, breastfeeding. Antiviral medications to treat or prevent influenza the flu. Inactivated influenza vaccine is recommended in all 3 trimesters of pregnancy 15,40.
Pregnant women who get influenza are at greater risk of developing serious complications, such as pneumonia, which may result in their hospitalisation. The 26% interruption of pregnancy rate with uncomplicated influenza was. There is a lot of evidence that flu vaccines can be given safely during pregnancy, though these data are limited for the first trimester. Fact sheet on influenza and pregnancy 2014 download. Pregnant women attending a routine ultrasound were recruited from four. Influenza vaccine given to pregnant women reduces hospitalization due to influenza in their infants. Changes in the immune system, heart and lungs during pregnancy make pregnant women more at risk of serious influenza complications. Jul 10, 2019 the net result is a resounding lack of evidence of harm from flu vaccination in pregnancy. Differentiation from other viral and bacterial infections may be difficult in pregnant. The 2009 pandemic served as a strong reminder that influenza. We used the screening method to estimate vaccine effectiveness ve against laboratoryconfirmed influenza in infants in england, using newly available uptake data from the clinical practice research datalink pregnancy register, matched on week of birth. Clinical practice guidelines by the infectious diseases. How does being pregnant increase my risk of complications from the flu. Indeed, even in fatal cases, only 38% of the women experienced disruption of.
But influenza causes more than 12,000 hospitalizations and 3,500 deaths in canada each year. Influenza vaccination during pregnancy should be routine. A retrospective electronic database search of 5 influenza seasons july 1, 1998, to june 30, 2003 was. Influenza in pregnancy memoli 20 influenza and other. Vaccination during pregnancy has been shown to protect both the mother and her baby up to 6 months old from influenza related illness and hospitalizations. Guidelines on the management of pregnant and postpartum women. Flu and pregnancy frequently asked questions about flu influenza vaccine and pregnancy. Live attenuated influenza vaccine laiv, or the nasal spray is. Influenza is a contagious airborne viral illness characterized by abrupt onset of symptoms. During the 2009 outbreak of h1n1 influenza, for example, pregnant women made up 5 percent of all u.
Are you pregnant or planning to become pregnant this year. Influenza vaccine can be safely given at any stage during pregnancy. In several countries, pregnant women are recommended seasonal influenza vaccination and identified as a priority group for vaccination in the event of a pandemic. Most people who get sick with influenza will get better. Getting the flu can cause serious problems when you are pregnant. Moreover, influenza during pregnancy increases the risk of preterm delivery and low birth weight. Maternal influenza vaccination is increasingly recognized to protect infants from influenza infection in their first 6 months. Inactivated influenza vaccinethe flu shotis safe for pregnant women and can be administered during any pregnancy trimester. Because of the increased severity of influenza in pregnancy and postpartum, inactivated influenza vaccine is recommended for these women, regardless of trimester of pregnancy. Live, attenuated, influenza virus vaccine, available as an intranasal spray, is not approved for use during pregnancy, given the theoretical risk associated with use of live vaccine during pregnancy. Even if you are generally healthy, changes in immune, heart, and lung functions during pregnancy make you more likely to get severely ill from flu. Clinical management guidelines for pregnancy v2 summary 1.
Influenza flu is more likely to cause severe illness in pregnant women than. Millions of doses of seasonal influenza vaccine have been given to pregnant women all over the world for many years and this vaccine is widely considered to be safe in pregnancy. Increased maternal illness and death appeared in early reports of influenza a pandemic h1n1 2009. This sheet talks about exposure to seasonal influenza in a pregnancy and while.
Managing pregnant women with suspected influenza sa health. Pregnant women are at increased risk for severe and complicated influenza, including. Risk of premature labor and delivery is increased in pregnant women with influenza. Normal changes in the immune system that occur during pregnancy may increase your. In young children, impaired respiration, dehydration, altered mental status, and irritability signify serious disease. Antenatal influenza vaccination is recommended to protect both pregnant women and their babies from influenza and its complications. Who position paper on vaccines against influenza pdf, 1. The centers for disease control and prevention cdc recommends women in any trimester of their pregnancy who have a suspected or confirmed influenza infection receive prompt antiviral therapy. Effects of influenza on pregnant women and infants american. Oct 20, 2016 the centers for disease control and prevention cdc recommends women in any trimester of their pregnancy who have a suspected or confirmed influenza infection receive prompt antiviral therapy. It can lead to early birth, miscarriage, stillbirth, and lower birth weights. Get the flu shot as soon as it is available in your area.
Influenza and pregnancy guidance for clinicians fact sheet. Influenza vaccination of pregnant women during any stage of pregnancy has been found to be highly effective in preventing influenza and its complications in the woman and her baby, during pregnancy and for up to six months after birth by the passive protection passed on to. Flu and pregnancy washington state department of health. The flu can make you very sick, and it can be especially harmful if you get it during or right after pregnancy. In the last century, increased influenza risk for pregnant women has been. Most disease seen in children and adults, including pregnant women, with pandemic h1n1 2009 influenza is mild. Influenza vaccination during pregnancy produces antibodies which protect the mother against infection, and due to transplacental transfer of maternal antibodies before birth, it also protects the. Risk of pregnancy complications and adverse birth outcomes. Pandemic influenza and pregnant women volume 14, number 1. Influenza flu is more likely to cause severe illness in pregnant women than in women of reproductive age who are not pregnant. It aims to make available in one concise document all guidance on pandemic influenza a h1n1 2009 virus infection relevant to this programmatic area.
Indeed, even in fatal cases, only 38% of the women experienced disruption of pregnancy, a testimony to the resilience of the developingfetus. Pregnant women have a higher risk of severe disease than most other women following infection with influenza. Information for pregnant women the flu is a serious illness, especially when you are pregnant. Complications of influenza in pregnancy may include severe pneumonia, early labour premature birth, reduced foetal growth, low birth weight and stillbirth. Fact sheet provides an overview about the impact of flu on pregnant women. Assessment of effectiveness of seasonal influenza vaccination. Influenza vaccination of pregnant women during any stage of pregnancy has been found to be highly effective in preventing influenza and its complications in the woman and her baby, during pregnancy and for up to six months after birth by the passive protection passed on to the baby in utero, through the placenta.
Administration of an inactivated influenza vaccine during pregnancy is safe for both the mother and the fetus. Influenza also called flu is a virus that can cause serious illness. Seasonal influenza a h1n1 infection in early pregnancy and. Pdf influenza immunization in pregnancy noni macdonald. Apprehensions about the use of thimerosalcontaining influenza vaccines, based on theoretical risk of harm to the fetal brain, were widely spread in scientific and lay communities during the past years 55, 62. Influenza is typically characterized by fever, cough, sore throat, runny nose, headache, muscle and joint pain and malaise.
1125 1344 1397 472 1087 1455 958 272 119 398 1220 927 987 874 988 807 750 132 1238 345 1498 1343 256 578 329 998 854 1037 1015 302 1430 1296 1566 1259 485 916 849 403 405 146 164 1217 983 169