Egyptian zoo birds vaccinated against avian flu(1/4)

An Egyptian veterinarian administers an avian flu vaccination to a pelican held by a zookeeper at the closed Giza Zoo, during the spread of coronavirus disease (COVID-19) on the outskirts of Cairo, Egypt, April 7, 2020. (Photo/Agencies)

Chickens are seen as an Egyptian veterinarian administers an avian flu vaccination at the closed Giza Zoo, during the spread of coronavirus disease (COVID-19) on the outskirts of Cairo, Egypt, April 7, 2020. (Photo/Agencies)

An Egyptian veterinarian administers an avian flu vaccination to a duck held by a zoo keeper at the closed Giza Zoo, during the spread of coronavirus disease (COVID-19) on the outskirts of Cairo, Egypt, April 7, 2020. (Photo/Agencies)

Zoo keepers hold an Emu as an Egyptian veterinarian administers an avian vaccination at the closed Giza Zoo, during the spread of coronavirus disease (COVID-19) on the outskirts of Cairo, Egypt, April 7, 2020. (Photo/Agencies)