Belarus, Argentina start vaccinations with Russian shots
In this handout photo released by Belarus Health Ministry, Belarus medical worker administers a shot of Russia's Sputnik V coronavirus vaccine to a woman in Minsk, Belarus, Tuesday, Dec. 29, 2020. Belarus has announced the start of mass coronavirus vaccinations with the Russian-developed Sputnik V shot, becoming the second country after Russia to roll out the vaccine that is still undergoing late-stage studies to ensure its safety and efficacy. (Julia Borodun/ Belarus Health Ministry via AP)

In this handout photo released by Belarus Health Ministry, Belarus medical worker administers a shot of Russia's Sputnik V coronavirus vaccine to a woman in Minsk, Belarus, Tuesday, Dec. 29, 2020. Belarus has announced the start of mass coronavirus vaccinations with the Russian-developed Sputnik V shot, becoming the second country after Russia to roll out the vaccine that is still undergoing late-stage studies to ensure its safety and efficacy. (Julia Borodun/ Belarus Health Ministry via AP)

Dec. 29, 2020 08:53 AM EST
Dr. Estefania Zevrnja gets a shot of Russia's Sputnik V vaccine for COVID-19 at Dr. Pedro Fiorito Hospital in Avellaneda, Argentina, Tuesday, Dec. 29, 2020. (AP Photo/Natacha Pisarenko)

Dr. Estefania Zevrnja gets a shot of Russia's Sputnik V vaccine for COVID-19 at Dr. Pedro Fiorito Hospital in Avellaneda, Argentina, Tuesday, Dec. 29, 2020. (AP Photo/Natacha Pisarenko)

Dec. 29, 2020 09:11 AM EST
In this handout photo released by Belarus Health Ministry, Belarus medical worker works with the documentation of the Russia's Sputnik V coronavirus vaccine in Minsk, Belarus, Tuesday, Dec. 29, 2020. Belarus has announced the start of mass coronavirus vaccinations with the Russian-developed Sputnik V shot, becoming the second country after Russia to roll out the vaccine that is still undergoing late-stage studies to ensure its safety and efficacy. (Julia Borodun/ Belarus Health Ministry via AP)

In this handout photo released by Belarus Health Ministry, Belarus medical worker works with the documentation of the Russia's Sputnik V coronavirus vaccine in Minsk, Belarus, Tuesday, Dec. 29, 2020. Belarus has announced the start of mass coronavirus vaccinations with the Russian-developed Sputnik V shot, becoming the second country after Russia to roll out the vaccine that is still undergoing late-stage studies to ensure its safety and efficacy. (Julia Borodun/ Belarus Health Ministry via AP)

Dec. 29, 2020 08:53 AM EST
FILE - In this file photo dated Saturday, Dec. 5, 2020, a Russian medical worker administers a shot of Russia's Sputnik V coronavirus vaccine in Moscow, Russia. Belarus on Tuesday Dec. 29, 2020, has announced the start of mass coronavirus vaccinations with the Russian-developed Sputnik V shot, becoming the second country after Russia to roll out the vaccine. (AP Photo/Pavel Golovkin, FILE)

FILE - In this file photo dated Saturday, Dec. 5, 2020, a Russian medical worker administers a shot of Russia's Sputnik V coronavirus vaccine in Moscow, Russia. Belarus on Tuesday Dec. 29, 2020, has announced the start of mass coronavirus vaccinations with the Russian-developed Sputnik V shot, becoming the second country after Russia to roll out the vaccine. (AP Photo/Pavel Golovkin, FILE)

Dec. 29, 2020 05:57 AM EST
FILE - In this file photo taken Thursday, Dec. 10, 2020, a vial with Russia's Sputnik V coronavirus vaccine in a medical room before being used for a vaccination in Moscow, Russia. Belarus on Tuesday Dec. 29, 2020, has announced the start of mass coronavirus vaccinations with the Russian-developed Sputnik V shot, becoming the second country after Russia to roll out the vaccine. (AP Photo/Pavel Golovkin, FILE)

FILE - In this file photo taken Thursday, Dec. 10, 2020, a vial with Russia's Sputnik V coronavirus vaccine in a medical room before being used for a vaccination in Moscow, Russia. Belarus on Tuesday Dec. 29, 2020, has announced the start of mass coronavirus vaccinations with the Russian-developed Sputnik V shot, becoming the second country after Russia to roll out the vaccine. (AP Photo/Pavel Golovkin, FILE)

Dec. 29, 2020 06:01 AM EST
Nurse Gustavo Rodriguez carries a cooler of Russia's Sputnik V vaccine for COVID-19 which he will administer to fellow health workers at Dr. Pedro Fiorito Hospital in Avellaneda, Argentina, Tuesday, Dec. 29, 2020. (AP Photo/Natacha Pisarenko)

Nurse Gustavo Rodriguez carries a cooler of Russia's Sputnik V vaccine for COVID-19 which he will administer to fellow health workers at Dr. Pedro Fiorito Hospital in Avellaneda, Argentina, Tuesday, Dec. 29, 2020. (AP Photo/Natacha Pisarenko)

Dec. 29, 2020 09:06 AM EST
Nurse Gustavo Rodriguez gives nurse Florencia Arroyo a shot of Russia's Sputnik V vaccine for COVID-19 at Dr. Pedro Fiorito Hospital in Avellaneda, Argentina, Tuesday, Dec. 29, 2020. (AP Photo/Natacha Pisarenko)

Nurse Gustavo Rodriguez gives nurse Florencia Arroyo a shot of Russia's Sputnik V vaccine for COVID-19 at Dr. Pedro Fiorito Hospital in Avellaneda, Argentina, Tuesday, Dec. 29, 2020. (AP Photo/Natacha Pisarenko)

Dec. 29, 2020 09:09 AM EST