A medical worker wearing protective suit checks medical equipment at a COVID-19 vaccination center at a local hospital on the outskirts of Islamabad, capital of Pakistan, Feb. 1, 2021. A batch of China-donated COVID-19 vaccines has been officially handed over to Pakistan on Monday at Noor Khan Air Base near the country's capital Islamabad. (Xinhua/Ahmad Kamal)
Photo taken on Feb. 1, 2021 shows the refrigerators reserved for COVID-19 vaccines at a local hospital on the outskirts of Islamabad, capital of Pakistan. A batch of China-donated COVID-19 vaccines has been officially handed over to Pakistan on Monday at Noor Khan Air Base near the country's capital Islamabad. (Xinhua/Ahmad Kamal)
Photo taken on Feb. 1, 2021 shows the interior of a COVID-19 vaccination center at a local hospital on the outskirts of Islamabad, capital of Pakistan. A batch of China-donated COVID-19 vaccines has been officially handed over to Pakistan on Monday at Noor Khan Air Base near the country's capital Islamabad. (Xinhua/Ahmad Kamal)
A staff member shows the refrigerators reserved for COVID-19 vaccines at a local hospital on the outskirts of Islamabad, capital of Pakistan, Feb. 1, 2021. A batch of China-donated COVID-19 vaccines has been officially handed over to Pakistan on Monday at Noor Khan Air Base near the country's capital Islamabad. (Xinhua/Ahmad Kamal)
Staff members transfer a batch of China-donated COVID-19 vaccines at Noor Khan Air Base near Islamabad, Pakistan, Feb. 1, 2021. A batch of China-donated COVID-19 vaccines has been officially handed over to Pakistan on Monday at Noor Khan Air Base near the country's capital Islamabad, making Pakistan the first country to receive the Chinese government donated COVID-19 vaccine. (Xinhua/Liu Tian)
A staff member transfers a batch of China-donated COVID-19 vaccines at Noor Khan Air Base near Islamabad, Pakistan, Feb. 1, 2021. A batch of China-donated COVID-19 vaccines has been officially handed over to Pakistan on Monday at Noor Khan Air Base near the country's capital Islamabad, making Pakistan the first country to receive the Chinese government donated COVID-19 vaccine. (Xinhua/Liu Tian)