Thank you Pat, what about boosters for these WHO-approved (non FDA-approved) vaccines?


From: Hartley, Patrick []
Sent: Wednesday, January 5, 2022 4:19 PM
To: MCOH-EH <>
Cc: Thorne, Craig <Craig.Thorne@YNHH.ORG>
Subject: RE: [External] [MCOH-EH] Accepting COVID vaccinations not FDA approved for international workers?


We follow CDC guidance on this topic, and have the following information in our COVID-19 vaccine FAQ for employees:


If I received a non-FDA authorized or FDA approved vaccine, am I eligible to receive a booster?

People who completed all of the recommended doses of a COVID-19 vaccine which is listed for emergency use by the WHO but is not approved or authorized by FDA, or people who completed a heterologous (mix and match) series composed of any combination of FDA-approved, FDA-authorized, or WHO emergency use listed COVID-19 vaccines:

·         Are considered fully vaccinated.

·         Under the Emergency Use Instructions (EUI), moderately or severely immunocompromised people aged ≥12 years should receive an additional primary dose of Pfizer-BioNTech COVID-19 Vaccine (30 µg formulation [purple cap]) at least 28 days after receiving the second vaccine dose of their primary series.

·         Under the EUI, people aged ≥18 years (including moderately or severely immunocompromised people who received an additional primary dose) should receive a single booster dose of Pfizer-BioNTech COVID-19 Vaccine (30 µg formulation [purple cap]) at least 6 months after completing their primary series.


WHO has listed the following COVID-19 vaccines for emergency use:

·         Pfizer-BioNTech COVID-19 Vaccine (e.g., BNT162b2, COMIRNATY, Tozinameran)

·         AstraZeneca-Oxford COVID-19 Vaccine (e.g., [ChAdOx1-S (recombinant)], AZD1222, Covishield, Vaxzevria)

·         Janssen (Johnson & Johnson) COVID-19 Vaccine (e.g., Ad26.COV2.S)

·         Moderna COVID-19 Vaccine (e.g., mRNA 1273, Takeda, Spikevax)

·         Sinopharm-BIBP COVID-19 Vaccine

·         Sinovac-CoronaVac COVID-19 Vaccine

·         Bharat Biotech International COVID-19 Vaccine (e.g., BBV152, COVAXIN)




Patrick G. Hartley,  M.B., B.Ch., B.A.O., M.P.H.

Professor (Clinical) of Internal Medicine

Division of Pulmonary Diseases, Critical Care and Occupational Medicine

Medical Director: University Employee Health Clinic & UIHC Occupational Medicine Clinic

Carver College of Medicine

University of Iowa

Iowa City, IA 52242-1009

319-353-7072 (Office)

319-353-6406 (Fax)




-----Original Message-----
From: MCOH-EH <> On Behalf Of Thorne, Craig via MCOH-EH
Sent: Wednesday, January 5, 2022 5:16 AM
Cc: Thorne, Craig <Craig.Thorne@YNHH.ORG>
Subject: [External] [MCOH-EH] Accepting COVID vaccinations not FDA approved for international workers?


Happy new year All,


Does anyone have experience and an approach to whether you accept COVID vaccine series for international workers coming into the US who have received non-FDA approved vaccine brands?


Thank you,

Craig D. Thorne, M.D.

Sent from my iPhone




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