Expert in infectious diseases with background in classroom education and student mentoring. Elevates student knowledge and abilities through challenging coursework and in-depth lectures. Runs organised, well-targeted courses to meet students' learning needs.
1. Abdelfattah Selim, Mohamed Marzok, Khalid Alkashif, Mahmoud Kandeel, Mohamed Salem, Mohamed Z. Sayed‑Ahmed. Bluetongue virus infection in cattle: serosurvey and its associated risk factors. Tropical Animal Health and Production (2023) 55:285 Doi. 10.1007/s11250-023-03701-5
2. Ibrahim Taha Radwan, Mohamed Z Sayed-Ahmed, Nirvina AbdelRaouf Ghazawy, Saad S Alqahtani, Sarfaraz Ahmad, Nawazish Alam, Abeer Mousa Alkhaibari, Md Sajid Ali, Abdelfattah Selim, Eman Alaaeldin AbdelFattah. Effect of nanostructure lipid carrier of methylene blue and monoterpenes as enzymes inhibitor for Culex pipiens. Scientific Reports, 13 (1), 12522 Doi.10.1038/s41598-023-39385-y
3. Shimaa El-Sayed, El-Sayed El-Alfy, Mohamed Sayed-Ahmed, Dr Uday Kumar Mohanta, Saad Saeed Alqahtani, Nawazish Alam, Sarfaraz Ahmad, Md Ali, Ikuo Igarashi, Mohamed Abdo Rizk. Evaluating the Inhibitory Effect of Resveratrol on the Multiplication of Several Babesia species and Theileria equi on In Vitro Cultures, and Babesia microti in Mice. Frontiers in Pharmacology, 14, 1446 Doi.10.3389/fphar.2023.1192999
4. Mohamed Moharram Badawy, Mohamed Z Sayed-Ahmed, Yosif Almoshari, Saad S Alqahtani, Saeed Alshahrani, Heba Allah Ali Mabrouk, Marwa M Abd-Elsalam, Khalid Alkashif, Sarfaraz Ahmad, Ahmed M El-Sebaey, Mohamed G Hamama, Dalia Alsaied Moustafa Ahmed. Magnesium Supplementation Alleviates the Toxic Effects of Silica Nanoparticles on the Kidneys, Liver, and Adrenal Glands in Rats. Toxics 2023, 11 (11) 381 Doi.10.3390/toxics11040381
5. Mohamed Marzok, Omar A Al-Jabr, Mohamed Salem, Khalid Alkashif, Mohamed Sayed-Ahmed, Majed H Wakid, Mahmoud Kandeel, Abdelfattah Selim. Seroprevalence and Risk Factors for Toxoplasma gondii Infection in Horses. Veterinary Sciences 2023, 10 (3), 237. Doi.10.3390/vetsci10030237
6. Amal A Halawa, Gehad E Elshopakey, Mohammed A Elmetwally, Mohamed El-Adl, Samah Lashen, Nancy Shalaby, Ehab Eldomany, Ahmed Farghali, Mohamed Z Sayed-Ahmed, Nawazish Alam, Nabeel Kashan Syed, Sarfaraz Ahmad, Shaymaa Rezk. Impact of chitosan administration on titanium dioxide nanoparticles induced testicular dysfunction. Scientific Reports 2022, 12 (1), 1-15. Doi.10.1038/s41598-022-22044-z
7. Basma Badawy, Mahmoud Elafify, Alshimaa MM Farag, Samar M Moustafa, Mohamed Z Sayed-Ahmed, Amira A Moawad, Abdelazeem M Algammal, Hazem Ramadan, Mahmoud Eltholth. Ecological Distribution of Virulent Multidrug-Resistant Staphylococcus aureus in Livestock, Environment, and Dairy Products. Antibiotics 11 (11) 1651. Doi.10.3390/antibiotics11111651
8. Basma Badawy, Mayada Gwida, Asmaa Sadat, Marwa EL-Toukhy, Mohamed Sayed-Ahmed, Nawazish Alam, Sarfaraz Ahmad, MD Sajid Ali and Mahmoud Elafify. Prevalence and Antimicrobial Resistance of Virulent Listeria monocytogenes and Cronobacter sakazakii in Dairy Cattle, the Environment, and Dried Milk with the In Vitro Application of Natural Alternative Control. Antibiotics. 2022, 11(8), 1087. Doi.org/10.3390/antibiotics11081087
9. Mahmoud Elafify, Basma Badawy, Mohamed Sayed-Ahmed, Radwa Shata, Marwa EL-Toukhy, Mayada Gwida. Genetic Characterization of Pathogenic Escherichia Coli Isolated from Smallholding Dairy Buffaloes, their Products, and Some Environmental Sources. Alexandria Journal of Veterinary Sciences. 2022, 74 (1): 31-40 Doi: 10.5455/ajvs.7695
10. Abdelfattah Selim, Ameer Megahed, Mourad Ben Said, Abdullah D. Alanazi & Mohamed Z. Sayed-Ahmed. Molecular survey and phylogenetic analysis of Babesia vogeli in dogs. Scientific Reports. 2022, 12, 6988 Doi.10.1038/s41598-022-11079-x.
11. Ahmed M. Ahdy, Basem M.Ahmed, Mahmoud A. Elgamal, Mohamed I.Shaalan, Ibrahim M.Farag, Eman R. Mahfouz, Hassan R. Darwish, Mohamed Z. Sayed-Ahmed, Mohamed A.Shalaby, Ahmed A.El-Sanousi, Detection of Equid Alphaherpesvirus 1 from Arabian horses with different clinical presentations between 2016-2019 in Egypt. Journal of Equine Veterinary Science. 2022, 113, 103960 Doi.10.1016/j.jevs.2022.103960
12. Potential bioactive secondary metabolites of Actinomycetes sp. isolated from rocky soils of the heritage village Rijal Alma, Saudi Arabia. Osama A Madkhali, Saeed Alshahrani, Hafiz A Makeen, Santhosh Joseph Menachery, Zia ur Rehman, Md Shamsher Alam, Syam Mohan, Mohamed Eltaib Elmobark, David Banji, Mohamed Z Sayed-Ahmed, Arabian Journal of Chemistry. 2022, 15 (5), 103793 Doi.10.1016/j.arabjc.2022.103793
13. Roua A. Alsubki, Fatima M. Albohairy, Kotb A. Attia, Itoh Kimiko, Abdelfattah Selim, Mohamed Z. Sayed-Ahmed (2022). Assessment of Seroprevalence and Associated Risk Factors for Anaplasmosis in Camelus dromedaries, Vet. Sci. 2022, 9(2), 57: 1-9 Doi.10.3390/vetsci9020057
14. Abdelfattah Selim, Kotb A. Attia, Roua A. Alsubki, Itoh Kimiko, Mohamed Z. Sayed-Ahmed. Cross-sectional survey on Mycobacterium avium Subsp. paratuberculosis in Dromedary Camels: Seroprevalence and risk factors, Acta Tropica, 226, 2022, 106261, DOI: 10.1016/j.actatropica.2021.106261.
15. El-Sayed SAE-S, Rizk MA, Eldoumani H, Sorour SS, Terkawi MA, AbouLaila M, Igarashi I and Sayed-Ahmed MZ (2022) Identification and Characterization of P0 Protein as a Vaccine Candidate Against Babesia divergens, Blood Parasite of Veterinary and Zoonotic Importance. Front. Vet. Sci. 8:795906. doi: 10.3389/fvets.2021.795906
16. Rizk, M.A.; El-Sayed, S.A.E.-S.; Salman, D.; Marghani, B.H.; Gadalla, H.E.; Sayed-Ahmed, M.Z. Immunomodulatory Effect of Vitamin C on Proinflammatory Cytokines Production in Ossimi Lambs (Ovis aries) with Pneumonic Pasteurellosis. Animals 2021, 11, 3374. DOI: 10.3390/ani11123374.
17. Mohamed Sayed-Ahmed, Ahmed Ahdy, Emad Younis, Sabry El-Khodery (2021):.Prevalence and clinical presentation of skin affections in donkey (Equus asinus) in Egypt, Mansoura Veterinary Medical Journal 22:2 (2021) 58-64. DOI: 10.35943/MVMJ.2021.74638.1058
18. Khalid Ibrahim Sallama, Samar Elaraby Mohammed Morgan, Mohamed Zakaria Sayed-Ahmed, Saad Saeed Alqahtanid, Samir Mohammed Abd-Elghany (2021) Health hazard from exposure to histamine produced in ready-to-eat shawarma widely consumed in Egypt, J. of Food composition and analysis, 97, 103794. DOI: 10.1016/j.jfca.2020.103794
19. Mohamed Z. Sayed-Ahmed, Elzahraa Elbaz,Emad Younis,,Mohamed Khodier (2020): Canine Parvovirus Infection in Dogs: Prevalence and Associated Risk Factors in Egypt. World Vet J (10(4): 571-577. DOI: 10.29252/scil.2020.wvj68
20. Mahmoud Mohammed Mahros, Samir Mohammed Abd-Elghany, Mohamed Zakaria Sayed-Ahmed, Saad Saeed Alqahtani, Khalid Ibrahim Sallam (2020): Improving the microbiological quality, health benefits, and storage time of cold-stored ground mutton supplemented with black seed. LWT-Food Science and Technology, 138, 110673. DOI: 10.1016/j.lwt.2020.110673
21. Khalid Ibrahim Sallam, Samir Mohammed Abd-Elghany, Mohammed Abdullah Hussein, Kálmán Imre, Adriana Morar, Alaa Eldin Morshdy, Mohamed Zakaria Sayed-Ahmed (2020): "Microbial Decontamination of Beef Carcass Surfaces by Lactic Acid, Acetic Acid, and Trisodium Phosphate Sprays", BioMed Research International, 2020, Article ID 2324358, 11 pages. DOI: 10.1155/2020/2324358
22. Sherif M Shoeib, Mohamed Z. Sayed-Ahmed, Sabry El-khodery (2019) Hypomagnesemic Tantany in camel calves (Camelus Dromedarius): Clinical Consequences and Treatment Outcomes. Slovenian Veterinary Research 56(22):589-94. DOI: 10.26873/SVR-797-2019.
23. El-Sayed A.A. El-Shafaey, Mohamed Z. Sayed-Ahmed, Sabry El-khodery (2019) Occurrence and Risk Factors of Didital Dermatitis in Egyptian Dairies. Slovenian Veterinary Research 56(22): 465-74. DOI:
24. 10.26873/SVR-784-2019
25. Sayed-Ahmed, M.Z., Ahdy, A.M., Younis, E.E., Sabry A., Baraka, H.N., (2018) Comparative effectiveness of Sumaq and Neem extract cream, Eniloconazole and glycerine iodine on dermatophytosis in Arabian horses: a randomized clinical trial. Trop Anim Health Prod 50 (258): 1-6. DOI: 10.1007/s11250-018-1773-6.
26. Sayed-Ahmed MZ, Makeen HA, Elsherbini MM, Syed NK, Shoeib SM (2018) Oncolytic Viruses: A gene Therapy for Treatment of Cancer in Companion Animals. Health Sci J 12 (4):579.DOI: 10.21767/1791-809X.1000579
27. Ahmed M. El-Sayed, Mohamed Z. Sayed-Ahmed, Mohamed M. El-Diasty , Mohamed A. El-Beskawy, Sherif M. Shoieb and Emad E. Younis (2017): Sero-prevalence of camel brucellosis (Camelus dromedarius) and phenotypic characteristics of Brucella melitensis biovar 3 in Shalateen city, Red Sea Governorate, Egypt.
Afr. J. Microbiol. Res. 11(32):1259-1266. (IF: 0.675) DOI: 10.5897/AJMR2017.8629
28. Vanessa M. Pfankuche, Mohamed Sayed-Ahmed, Vanessa Bono Contioso, I. Spitzbarth, Karl Rohn, R. Ulrich, U. Deschl, A. Kalkuhl, Wolfgang Baumgärtner, Christina Puff (2016): Persistent morbillivirus infection leads to altered cortactin distribution in histiocytic sarcoma cells with decreased cellular migration capacity.
PLoS ONE 11 (12): e0167517. (IF: 4.41) Doi.org/10.1371/journal.pone.0167517.
29. Shoieb SM, Ibrahim HMM, Sayed-Ahmed M, El-khodery SA (2016): Antioxidant Trace Elements and Oxidative Stress Levels Associated with Pasteurellosis in Camel-Calves (Camelus dromedarius).
J Vet. Sci. Technol. 7: 393. (IF: 1.14) Doi: 10.4172/2157-7579.1000393
30. Ahmed M. Ahdy, Mohamed Z. Sayed-Ahmed, Emad E.Younis, Hany N. Baraka, Sabry A. El-khodery (2016): Prevalence and potential risk factors associated with dermatophytosis in Arabian horses in Egypt.
J. Equine Vet. Sci. 37: 71-76. (IF. 0.73) DOI: 10.1016/j.jevs.2015.12.008
31. El-Hady A, M Sayed-Ahmed, Saleh M, Younis EE (2016): Seroprevalence and Molecular Epidemiology of Brucellosis in cattle in Egypt. J. Adv. Dairy Res. 4 (1): 1000153. (IF. 1.68) Doi:10.4172/2329-888X.1000153
32. Sherif M. Shoieb and Mohamed Sayed-Ahmed (2016): Clinical and Clinicopathological Findings of Arthritic Camel Calf Associated with Mycoplasma Infection (Camelus Dromedarius). J. Dairy Vet. Anim. Res. 3(1): 68.
DOI: 10.15406/jdvar.2016.03.00068
33. Mohamed Sayed-Ahmed (2016): Incidence History of West Nile Virus in Africa and Middle East, with an emphasis on Egypt: A review. J. Dairy Vet. Anim. Res. 3(3): 00080 Doi: 10.15406/jdvar.2016.03.00080
34. Mohamed Sayed-Ahmed (2016): Zika Virus Disease: Epidemiological Facts. Pharm Pharmacol. Int.l J. 4(1): 65. http://medcraveonline.com/PPIJ/PPIJ-04-00065.pdf
35. Nabeel Kashan Syed, Omer Nasir, Nawazish Alam, Mohamed Sayed-Ahmed, Santhosh Mathews, Anil Babu, Zia Nadeem and Sultana Gouhar (2016): Zika Virus: A Global Pandemic of Colossal Proportions.
Res. J. Pharm. Technol. 9(8): 1-4. DOI: 10.5958/0974-360X.2016.00235.3
36. A Albaz, Sayed-Ahmed M, Younis E, Khodier M (2015): Investigation of the Antiviral effect of Acyclovir on Canine Parvovirus Infection. Pharm. Pharmacol. Int. J. 2(2): 14 10.15406/ppij.2015.02.00014
37. M Sayed-Ahmed, S Atwa, E E Younis, S A Zeidan (2015): Effect of Levamisol and Vitamine E/ Selenium on Bovine Cellular and Humeral Immunity after Bovine viral diarrhea vaccination. J. Dairy Vet. Anim. Res. 2(1): 25. DOI: 10.15406/jdvar.2015.02.00025
38. M Sayed-Ahmed, Nomier Y, Shoeib S (2015): Epidemic situation of Rift valley fever in Egypt and Saudi Arabia, J. Dairy Vet. Anim. Res.2(3):34. http://medcraveonline.com/JDVAR/JDVAR-02-00034.pdf.
39. Younis EE, Abou-Zeid N, Zakaria M, M Reda (2015): Epidemiological studies on Toxoplasmosis in small ruminants and equine in Dakahlia Governorate, Egypt. Assu. Vet. Med. J. 61(145): 22-31.
http://www.aun.edu.eg/journal_files/377_J_3884.pdf
40. Y El-Naker, M Sayed-Ahmed, Z Saad, E Reiad, E Younis (2015): Prevalence of buffalo mastitis in Dakahlia governorates. Assu. Vet. Med. J. 61(145): 32-39 http://www.aun.edu.eg/journal_files/401_J_1460.pdf
41. El-Hady, A.M, Sayed-Ahmed, M.Z, Saleh, M.A, Younis, E.E (2013): Prevalence of brucellosis in cattle in Sharkia governorate. Mans. Vet. Med. J. 15, 1-9.
42. El-Baz, K.A, Sayed-Ahmed, M.Z, Khodier, M, Younis, E. E (2013): Investigation of acyclovir as antiviral agent in puppies infected with canine parvovirus. Mans. Vet. Med. J. 16, 1-10.
43. YF Elnaker, M Sayed-Ahmed, M El-Beskawy, AA El-Sawalhy, JK Wabacha (2012): Seroprevalence of FMD in cattle, sheep and goats in Somaliland. Bull. Anim. Hlth Prod. Afr. 60 (4), 383-392.
http://www.ajol.info/index.php/bahpa/issue/view/10300
44. S. Atwa, M. Sayed-Ahmed, E.E. Younis, S.A. Zeidan (2012): Epidemiological and diagnostic studies on Bovine Viral Diarrhea-Mucosal Disease complex (BVD-MD) in cattle. Mans. Vet. Med. J. 1, 1-8
Abstracts in peer-reviewed international journal
45. M Sayed-Ahmed, El-Hady A, Saleh M, Younis E E (2015): Molecular characterization and epidemiological investigation of Brucellosis in Sharqyia in Egypt. J. Vet. Sc. Technol. 6 : 5
http://www.omicsonline.org/proceedings/molecular-characterization-and-epidemiological-investigation-of-brucellosis-in-sharqyia-in-egypt-32662.html
46.A.M. Sayed; W. Baumgärtner; C. Puff (2012): CDV and CPiV Infection-related Decreased Cortactin Expression in DH82 Cells. J. Comp. Pathol.146 (1), 81 http://yadda.icm.edu.pl/yadda/element/bwmeta1.element.elsevier-1077d405-cc6d-367a-b54e-7164237d7146
47. C. Puff, M. Sayed-Ahmed, V. Bono Contioso, R. Kreutzer, W. Baumgärtner (2011): In vitro Untersuchungen über die Expression Und Verteilung Von Cortactin in kaninen histiozytären Sarcomzellen nach Staupervirus-infektion, Tierärztlich Praxis Großtiere 2, A3, V 08
48.M. Z. Sayed-Ahmed, W. Baumgärtner, C. Puff (2010): Influence of Canine Distemper Virus Infection on Cortactin Expression and Distribution in Canine Histiocytic Sarcoma Cells. J. Comp. Pathol. (4)321.
http://yadda.icm.edu.pl/yadda/element/bwmeta1.element.elsevier-907b3bff-beab-3b68-a050-
cdecdd744209
49.C.V. Bono; A.M.Z. Sayed; W. Baumgärtner; C. Puff (2009): In Vitro Invasive Potential of Canine Malignant Histiocytic Sarcoma Cells With and Without Virus Infection. J. Comp. Pathol. 141 (4), 282.
http://yadda.icm.edu.pl/yadda/element/bwmeta1.element.elsevier-77cfbf40-d1a7-35e0-bef0-f28dc703be79
Abstracts in peer-reviewed national and international conferences
50. M Sayed-Ahmed (2023): Pyronaridine Tetraphosphate - Based Combination Therapies Inhibit Babesia Growth in Mice, 2nd international forum on animal science and veterinary medicine, August 24, 2023, Vancover, Canada | WEBINAR,
51. M Sayed-Ahmed (2023): Seroprevalence and Risk Factors for Toxoplasma Gondii Infection in Horses, 2nd international forum on animal science and veterinary medicine, August 24, 2023, Vancover, Canada | WEBINAR
52. M Sayed-Ahmed., El-Hady A, Saleh M, Younis E E (2015): Molecular Characterization and Epidemiological Investigation of Brucellosis in Sharqyia in Egypt. 5th Global Veterinary Summit, August 31- September 2, Florida, USA http://www.omicsonline.org/2157-7579/2157-7579.C1.010-021.pdf
53. S. Atwa; M. Sayed-Ahmed; E.E. Younis; S.A. Zeidan (2012): Epidemiological and diagnostic studies on bovine viral diarrhea-mucosal disease complex (BVD-MD) in cattle. 7th International Scientific Conferance, Mansoura, Egypt, August 28-30, Pp. 601.
54. El-Hady, A.M, Sayed-Ahmed, M.Z, Saleh, M.A, Younis, E.E (2012): Prevalence of brucellosis in cattle in sharkia governorate. 1st conference of Animal. Health Research Institute Association 17-19th Dec., 154-162
55. M. Sayed Ahmed, W. Baumgärtner, C. Puff (2011): CDV and CPiV Infection-related Decreased Cortactin Expression in DH82 Cells. 29th ESVP/ECVP/ESTP, Sept. 7-10, Uppsala, Sweden. www.ecvpath.org/download/77/
56. Puff, C.; Sayed-Ahmed, M; Bono Contioso, V.; Kreutzer, R.; Baumgärtner, W (2011): In vitro Untersuchungen über die Expression und Verteilung von Cortactin in kaninen histiozytären Sarkomzellen nach einer Staupevirusinfektion In: 54. Jahrestagung der Fachgruppe Pathologie der Deutschen Veterinärmedizinischen Gesellschaft, Fulda, Germany, March 12-13, 2011.
57. Sayed-Ahmed, M. Z.; Baumgärtner, W.; Puff, C (2010): Influence of canine distemper virus infection on the Cortactin expression and distribution in canine histiocytic sarcoma cells in vitro. In: Jovanovic, M. (Hrsg.): Book of abstracts ESVP/ECVP 2010 proceeding in: 28th ESVP/ECVP, Belgrade, Serbia, September 08-11, 37. ISBN 978-86-913875-0-130
58. V. Bono Contioso, M. Sayed-Ahmed, W. Baumgärtner, C. Puff, C (2009): In vitro invasive potential of canine malignant histiocytic Sarcoma cells with and without canine distemper virus infection. 27th ESVP/ECVP, Sept. 9-12, Krakow, Poland, 91
59. Younis, E.E., Sayed-Ahmed, M.Z, Khodeir, M.H., El-Sawalhy, A.A and Daoud, A.M (2005): Studies on bovine ephemeral fever in cattle, 8th cong. of Egyptian Society of Cattle Diseases, December 11-13, Assiut, Egypt, 81-100.
60. Daoud, A.M., Younis, E.E., El-Sawalhy, A.A., Sayed-Ahmed, M.Z and Khodeir, M.H (2005): Some studies on Bovine ephemeral fever in Buffaloes, 4th International Science Conferance, Mansoura, Egypt, April 5-6, 687-701.