Current News COVID-19: B.A4 and BA.5 variants spur 20 per cent rise in cases UN Health News 2022-06-29 14:45:52 Safer roads, a global development challenge for all: Senior UN official UN Health News 2022-06-29 14:00:37 BNT162b2 Vaccine Effectiveness against Omicron in Children 5 to 11 Years of Age Most Viewed Articles from NEJM 2022-06-29 08:00:00 COVID -19 Morbidity and Mortality in Tropical Countries: The Effect of Economic, Institutional, and Climatic Variables PubMed COVID-19 Clinical Care 2022-06-29 04:00:00 SARS-CoV-2 is detected in the gastrointestinal tract of asymptomatic endoscopy patients but is unlikely to pose a significant risk to healthcare personnel PubMed COVID-19 Clinical Care 2022-06-29 04:00:00 Pagination First page « First Previous page ‹ Previous … Page 12446 Page 12447 Page 12448 Page 12449 Current page 12450 Page 12451 Page 12452 Page 12453 Page 12454 … Next page Next › Last page Last » PICO Search Aid Problem/Population Intervention Comparison Outcome