Concurrent COVID-19 and Flu Vaccines Are Safe to Mix
A 2026 study finds pregnant individuals can safely receive both immunizations during a single visit.
Updated on Oct. 29, 2026 in Pregnancy
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A 2026 study published in Vaccine finds that receiving COVID-19 and influenza vaccinations on the same day during pregnancy is safe. Researchers observed no instances requiring emergency care among the participants who co-administered the shots.
Why it matters
Infection with COVID-19 or influenza during pregnancy increases the risk of severe disease and maternal mortality. These findings suggest that co-administration remains a practical option for expectant parents looking to simplify their immunization schedule.
A survey of 344 pregnant individuals, including 85 who received co-administered influenza and COVID-19 vaccines, indicates safety through reported reactogenicity patterns. No participants required hospitalization, though the study remains limited by its reliance on self-reported survey data.
The players
Canadian COVID-19 Vaccine Registry for Pregnant Women and Pregnant People
A research initiative tracking health outcomes and vaccine safety for pregnant individuals in Canada.
Vaccine
A peer-reviewed medical journal that publishes research on immunizations and public health.
The details
Researchers compared reaction patterns between those receiving both vaccines simultaneously and those receiving only the COVID-19 shot. While the co-administered group reported higher rates of local injection site reactions and chills at 18.8% compared to 8.5% for single-vaccine recipients, all reported effects were transient. Overall, 48.3% of the cohort reported injection site soreness, with fatigue and muscle aches cited by roughly 40% of participants regardless of the regimen.
Timeline
2026: The survey findings were published in the journal Vaccine.
Health Landscape
Public health agencies continue to emphasize influenza and COVID-19 vaccination as key strategies to protect pregnant individuals from severe respiratory complications. This research supports existing clinical practices that allow for the co-administration of standard maternal vaccines.
If you are pregnant, the convenience of receiving both recommended vaccines at once is supported by this safety profile. It is worth discussing your specific medical history and immunization timeline with your doctor to determine if same-day administration is appropriate for you.
The takeaway
Coadministering COVID-19 and flu shots is a safe way to maintain protection without requiring multiple clinical visits. Monitor for common side effects like muscle aches or fatigue after vaccination, and consult your primary care provider if you experience symptoms that are severe or persistent.
Further reading
For more on managing health during pregnancy, see our guide on Pregnancy.
Source note: This article includes information reported by Drugtopics.
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