1. Central Virology Laboratory, Ministry Of Health, Sheba Medical Center, Ramat-Gan, Israel
2. Public Health Services, Ministry Of Health, Jerusalem, Israel
3. Hebrew University Hadassah Braun School of Public Health and Community Medicine, Jerusalem, Israel
4. Virology Laboratory, Soroka University Medical Center, Beer-Sheva, Israel
5. Virology Laboratory, Rambam Health Care Campus, Haifa, Israel
6. Meuhedet Health Services, Lod, Israel
7. Maccabi Health Services, Mega Laboratory, Rehovot, Israel
8. Clinical Biochemistry Laboratory, Tel-Aviv Sourasky Medical Center, Tel-Aviv, Israel
9. Immunological Laboratory, Emek Medical Center, Afula, Israel
10. Gastroenterology Laboratory, Sheba Medical Center, Ramat Gan, Israel
11. Tel-Aviv District Health Office, Ministry Of Health, Tel Aviv, Israel
12. Clalit Health Services, Southern district Beer Sheva, Israel
13. These authors contributed equally to this article
14. School Of Public Health, Tel Aviv University, Tel Aviv, Israel