Back to Top Skip to main content Skip to sub-navigation

Amid COVID-19, seasonal influenza still a threat to force readiness

Hospital Corpsman administers a flu shot to a navy officer. The flu shot helps DoD members maintain both mission readiness and wellness. (U.S. Navy photo by Mass Communication Specialist 2nd Class Marc Cuenca/Released)

Recommended Content:

Coronavirus | Influenza Summary and Reports | Immunization Healthcare | Vaccine-Preventable Diseases | Influenza, Southern Hemisphere

The COVID-19 pandemic has emerged as the most significant public health emergency in this century. As individuals around the globe race for treatment options and take preventive measures against COVID-19, those living in the Southern Hemisphere are also preparing for another virus – seasonal influenza. The flu typically takes hold from April through September in the Southern Hemisphere and impacts service members and their beneficiaries on military orders in places south of the equator, such as New Zealand, Australia, southern parts of Africa and South America as well as Indonesia.

Before 2020, a Federal Drug Administration-approved Southern Hemisphere influenza vaccine was not available for military personnel or beneficiaries. Service members received the Northern Hemisphere flu vaccine during the Northern Hemisphere season, which runs October to March.

Once the FDA approved a Southern Hemisphere influenza vaccine, the combatant commands quickly engaged with the Office of Assistant Secretary of Defense for Health Affairs’ Health Readiness Policy and Oversight and Defense Health Agency to get access for their personnel.

Through joint efforts by the CCMDs, Defense Logistics Agency, U.S. Army Medical Materiel Agency, and DHA’s Immunization Healthcare Division, service members and their beneficiaries in the Southern Hemisphere can access the FDA-approved, U.S.-labeled Southern Hemisphere vaccine Fluzone®.

“The vaccination will be made available at designated medical treatment facilities in May 2020,” according to Tara Reavey, chief of policy and program management for DHA's Immunization Healthcare Division.

Access to both Northern and Southern hemisphere influenza vaccines supports troop readiness since different flu strains circulate in each hemisphere. “Symptoms of the Northern Hemisphere and Southern Hemisphere seasonal influenzas are similar,” said Dr. Jay Montgomery, medical director of the Immunization Healthcare Division’s North Atlantic Region Vaccine Safety Hub. “Typical flu symptoms include fever, cough, sore throat, runny nose, and muscle aches, but in severe cases may result in hospitalization or death.”

However, Montgomery added, “the common strains identified in the Northern and Southern Hemisphere differ about 60% of the time.” He said the challenge to support force readiness became apparent as DoD members experienced flu-like symptoms when traveling to the Southern Hemisphere flu zone after receiving the Northern Hemisphere vaccine.

“Obviously if we don't have the right virus strains in the vaccine, people are not going to get protection against those strains,” said Montgomery. “Over the years, a substantial number of influenza-like illnesses have occurred among service members and other DoD personnel participating in multinational exercises, such as in Australia, every year,” he said, adding that a vaccine targeting Southern Hemisphere influenza should result in a decrease of influenza-like illnesses there.

The DHA-Interim Procedures Memorandum 20-002 for Southern Hemisphere influenza was published March 20 and “aligns with Centers for Diseases Control and Prevention recommendations to use the appropriate influenza vaccine,” said Reavey. Specifically, Southern Hemisphere influenza vaccination is required for all active duty, reserve component, National Guard members (and recommended for all other beneficiaries), permanently or temporarily assigned for at least 14 contiguous days between April 1 and Sept. 30 to an area designated as a Southern Hemisphere influenza zone by the World Health Organization.

U.S. government civilian employees and family members of personnel who are living in or conducting a permanent change of station to the Southern Hemisphere are authorized to receive the Southern Hemisphere vaccine. In order to develop adequate immunity, personnel traveling to the Southern Hemisphere between April and September should be vaccinated at least two weeks before they go to the region, if possible.

DoD personnel traveling to or residing in the Northern Hemisphere for at least 14 days between October and March and who have not received the current seasonal Northern Hemisphere influenza vaccine are required to receive a Northern Hemisphere vaccine in accordance with the most current DHA-IPM for the Northern Hemisphere seasonal influenza vaccination program.

The DHA-IPM states that individuals may receive vaccines for both the Northern Hemisphere flu and the Southern Hemisphere flu in a year span, but the immunizations will need to be given at least 28 days apart. Service members will not need to receive a flu vaccine for either hemisphere when traveling to the area during an offseason and if in the region for less than 14 days.

For more information on the Southern Hemisphere influenza vaccine, please visit the Military Health System Influenza webpage.

You also may be interested in...

Got Your 6

Video
9/16/2021
Got Your 6 Infographic

‘Got Your 6’ is TRICARE’s COVID vaccine video series that delivers important information and updates, on days that end in ‘6.’ It includes the latest information about DOD vaccine distribution, the TRICARE health benefit, and vaccine availability. Got a question about ‘Got Your 6’? Send an email to dha.ncr.comm.mbx.dha-internal-communications@mail.mil

Recommended Content:

COVID-19 Vaccine Toolkit | Coronavirus | COVID-19 Vaccine Efforts

CSM Gragg Vaccine Statement

Video
8/24/2021
CSM Gragg speaks about COVID-19

CSM Gragg shares his personal story dealing with COVID and the loss associated with it and urges all to take precautions.

Recommended Content:

COVID-19 Vaccine Toolkit | Coronavirus | Getting the COVID-19 Vaccine

Got Your 6: August 16, 2021

Video
8/16/2021
Got Your 6: August 16, 2021

‘Got Your 6’ is TRICARE’s COVID vaccine video series that delivers important information and updates, on days that end in ‘6.’ It includes the latest information about DOD vaccine distribution, the TRICARE health benefit, and vaccine availability. Got a question about ‘Got Your 6’? Send an email to dha.ncr.comm.mbx.dha-internal-communications@mail.mil Find your local military provider at tricare.mil/MTF, or go to tricare.mil/vaccineappointments and schedule yours today!

Recommended Content:

COVID-19 Vaccine Toolkit | Coronavirus | COVID-19 Vaccine Efforts | Getting the COVID-19 Vaccine

Lt. Gen. Place and Command Sgt. Maj. Gragg on Getting Vaccinated

Video
8/16/2021
DHA Logo with the text: Importance of Vaccinations Lt. Gen. Ronald J. Place & Command Sgt. Maj. Michael L. Gragg

DHA Director Lt. Gen. Ron Place and DHA Senior Enlisted Leader Command Sgt. Maj. Michael Gragg talk about how getting vaccinated against COVID-19 is more important than ever.

Recommended Content:

COVID-19 Vaccine Toolkit | COVID-19 Vaccine Efforts | Coronavirus | Getting the COVID-19 Vaccine

Vaccinations To Your Health

Video
8/9/2021
Infographic about MHS and MOS  Town Hall

Join us live with Defense Health Agency and Board Certified Family Nurse Practitioner, Ann Morse, to discuss vaccines, vaccine safety and tips for keeping your military family healthy as the new school year approaches.

Recommended Content:

Immunization Healthcare | Vaccine-Preventable Diseases | Children's Health | MHS and Military OneSource To Your Health

Got Your 6

Video
7/27/2021
Got Your 6

‘Got Your 6’ is TRICARE’s COVID vaccine video series that delivers important information and updates, three times a month. It includes the latest information about DoD vaccine distribution, the TRICARE health benefit, and vaccine availability. Got a question about ‘Got Your 6’? Send an email to dha.ncr.comm.mbx.dha-internal-communications@mail.mil Find your local military provider at tricare.mil/MTF, or go to tricare.mil/vaccineappointments and schedule yours today!

Recommended Content:

COVID-19 Vaccine Toolkit | Coronavirus

Got Your 6

Video
7/16/2021
Got your 6

‘Got Your 6’ is TRICARE’s COVID vaccine video series that delivers important information and updates, three times a month. It includes the latest information about DoD vaccine distribution, the TRICARE health benefit, and vaccine availability. Got a question about ‘Got Your 6’? Send an email to dha.ncr.comm.mbx.dha-internal-communications@mail.mil. Find your local military provider at tricare.mil/MTF, or go to tricare.mil/vaccineappointments and schedule yours today!

Recommended Content:

COVID-19 Vaccine Toolkit | Coronavirus | COVID-19 Vaccine Efforts

The Battle Against the COVID-19 Delta Variant

Video
6/29/2021
COVID-19 Delta war infographic

Like our enemies in the past, the coronavirus has adapted and we're now dealing with the most transmissible variant yet, Delta. The fight can be won with vaccination. If you're not yet vaccinated against the coronavirus, go get your shot today. Otherwise you're at high risk for severe disease, hospitalization, and death.

Recommended Content:

COVID-19 Vaccine Toolkit | COVID-19 Delta Variant | Coronavirus | COVID-19 Vaccine Efforts

The Delta Variant: A New Reason to Get Vaccinated

Video
6/25/2021
COVID-19 infographic

Are you a service member age 18 to 30? Are you unvaccinated? You may be entitled to severe disease, hospitalization, and death. To avoid these options, get vaccinated today!

Recommended Content:

Coronavirus | COVID-19 Vaccine Efforts | COVID-19 Vaccine Toolkit | COVID-19 Delta Variant

Got Your 6: June 26, 2021

Video
6/25/2021
Got Your 6 Infographic

‘Got Your 6’ is TRICARE’s COVID vaccine video series that delivers important information and updates, three times a month. It includes the latest information about DoD vaccine distribution, the TRICARE health benefit, and vaccine availability.

Recommended Content:

COVID-19 Vaccine Toolkit | Coronavirus | COVID-19 Vaccine Efforts | COVID-19 Delta Variant

VAX Facts: Which Vaccine is Right for Me?

Video
5/28/2021
DHA Seal

Dr. LC Collins talks about the importance of getting the first vaccine available to you. Don't hold out for a certain brand; they're all safe and effective.

Recommended Content:

COVID-19 Vaccine Toolkit | COVID-19 Vax Facts | Coronavirus | COVID-19 Vaccine Efforts

VAX Facts: Breastfeeding after the COVID-19 Vaccine

Video
5/28/2021
DHA Seal

Dr. LC Collins encourages people who are breastfeeding to get the vaccine. Since the vaccine doesn't contain live virus, you can't pass COVID to your baby.

Recommended Content:

COVID-19 Vaccine Toolkit | COVID-19 Vax Facts | Coronavirus | COVID-19 Vaccine Efforts

What is an mRNA vaccine?

Video
5/28/2021
DHA Seal

Dr. LC Collins explains how mRNA vaccines work to protect you from COVID-19.

Recommended Content:

COVID-19 Vaccine Toolkit | COVID-19 Vax Facts | Coronavirus | COVID-19 Vaccine Efforts

Are mRNA vaccines safe?

Video
5/28/2021
DHA Seal

Dr. LC Collins explains the years of research and ongoing monitoring to show how mRNA vaccines are safe and effective.

Recommended Content:

COVID-19 Vaccine Toolkit | COVID-19 Vax Facts | Coronavirus | COVID-19 Vaccine Efforts

VAX Facts: Do I Need the Vaccine if I Had COVID?

Video
5/28/2021
DHA Seal

Dr. LC Collins talks about the importance of getting vaccinated even if you already had COVID. We're not sure how long natural immunity lasts, so getting vaccinated is the best way to protect yourself.

Recommended Content:

COVID-19 Vaccine Toolkit | COVID-19 Vax Facts | Coronavirus | COVID-19 Vaccine Efforts
<< < 1 2 3 4 5 > >> 
Showing results 1 - 15 Page 1 of 5

DHA Address: 7700 Arlington Boulevard | Suite 5101 | Falls Church, VA | 22042-5101

Some documents are presented in Portable Document Format (PDF). A PDF reader is required for viewing. Download a PDF Reader or learn more about PDFs.