First COVID-19 cases with high secondary infection among health workers, Sana’a capital, April 2020: Lessons learned and future opportunities
| Autor: | Al-Sakkaf, Ehab, Ghaleb, Yasser, Al-Dabis, Esmail, Qairan, Mohammed, Al Amad, Mohammed, Al Serouri, Abdulwahed, Al-Kohlani, Abdulhakim |
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| Zdroj: | In International Journal of Infectious Diseases October 2021 110 Supplement 1:S6-S10 |
| Databáze: | ScienceDirect |
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