Pfizer to ship 13 mln COVID-19 vaccine doses per week to U.S. by mid-March, says executive | Reuters
Bivalent COVID Vaccines Likely Thwarted by Immune Imprinting, Expert Says | MedPage Today
Can COVID-19 Genes Integrate Into Human DNA? | MedPage Today
Coronavirus Watch in Mideast: Over 5 mln people vaccinated against COVID-19 in Turkey; Iraq sees new daily record of infections - Xinhua | English.news.cn
Over 50 mln doses of COVID-19 vaccines administered: U.S. CDC | Reuters
Erdogan says he reminded Chinese minister that Turkey expects 50 mln doses of COVID-19 vaccines | Reuters
J&J begins COVID-19 vaccine supplies to EU, 50 mln doses expected in Q2 -lawmaker | Reuters
Ethiopian Airlines leading African carriers by airlifting over 50 mln doses of COVID-19 vaccines - Xinhua
Pfizer gets U.S. contract for 50 mln COVID-19 vaccine doses for kids | Reuters
Over 50 mln confirmed COVID-19 cases worldwide reported to WHO - Xinhua | English.news.cn
Spotlight: World Health Assembly resumes as global COVID-19 cases exceed 50 mln - Xinhua | English.news.cn
COVID-19 vaccines: here's who is producing them in Europe, and where / Data news / News / Home - edjnet
![Ukraine: A year of closure: crossings of the “contact line” during the COVID-19 pandemic (22 March 2020 to 21 March 2021) [EN/RU/UK] - Ukraine | ReliefWeb](https://reliefweb.int/sites/default/files/styles/large/public/previews/43/a6/43a630c1-06ce-3c6b-9d65-c1d9b38f529f.png?2216032-1-0 "Ukraine: A year of closure: crossings of the “contact line” during the COVID-19 pandemic (22 March 2020 to 21 March 2021) [EN/RU/UK] - Ukraine | ReliefWeb")
Ukraine: A year of closure: crossings of the “contact line” during the COVID-19 pandemic (22 March 2020 to 21 March 2021) [EN/RU/UK] - Ukraine | ReliefWeb
Brazil surpasses 50 mln COVID-19 vaccines distributed throughout country - Xinhua | English.news.cn
COVID-19 testing - Wikipedia
Coronavirus pandemic could have caused 40 million deaths if left unchecked | Imperial News | Imperial College London
Scientists demonstrate how COVID-19 infects human cells
Covid's toll in U.S. reaches 1 million deaths, a once unfathomable number
U.S. COVID-19 cases surpass 50 mln -- Johns Hopkins University - Xinhua
COVID-19 pandemic - Wikipedia
World Bank to grant Benin 50 mln USD to mitigate COVID-19 impacts - Xinhua | English.news.cn
U.S. COVID-19 cases approach 50 mln as Omicron hits more states - Xinhua
Biden prepares for 'challenges' with extra 100 mln doses of J&J COVID-19 vaccine | Reuters
China to vaccinate 50 mln people for Lunar New Year - SCMP | Reuters
Does G6PD Deficiency Relate to COVID-19 Infection? | MedPage Today
U.S. COVID-19 cases surpass 50 mln -- Johns Hopkins University - Xinhua
A Timeline of South Korea's Response to COVID-19
