Table 4.

Studies of the Epstein-Barr virus in pathologies associated with the development of gastric cancer and gastric cancer in a Mexican population

Ref.	Year	Institute of adscription of corresponding author-city	Main finding	Quantity and type of groups studied
[54]	2013	IMSSMexico City	Co-infection with EBV and H. pylori in pediatric patients is associated with severe gastritis	333 pediatric patients with chronic abdominal pain
[56]	2005	INCanMexico City	EBV was detected in 7.3% of cases, all pertaining to patients > 50 years of age.Among Latin-American countries, Mexico has the lowest frequency of EBV associated gastric carcinoma	330 gastric cancer
[55]	1999	INCanMexico City	EBV is detected in 8.15% cases, six occur in males and five in females	135 gastric cancer

H. pylori: Helicobacter pylori; IMSS: Mexican Institute of Social Security/Instituto Mexicano del Seguro Social; INCan: National Institute of Cancerology/Instituto Nacional de Cancerología; EBV: Epstein-Barr virus.