Papaya ringspot, caused by papaya ringspot virus, is the most important disease of the crop in Florida, severely limiting the potential for commercial production. Sometimes this virus infects cucurbits. Earliest symptoms in papaya appear as yellowing and vein-clearing of younger leaves. A prominent yellow mottling of the leaves follows. One or more lobes of infected leaves may become severely d...

Helicobacter pylori ( H. pylori ) is associated with a wide spectrum of gastroduodenal diseases. Strong evidence has shown that H. pylori is implicated in the development of gastritis, gastric and duodenal ulcers, MALT lymphoma and gastric cancer. The result of multiple clinical trials had also found out that eradication of H. pylori results in cure of gastric and duodenal ulcers. The improveme...

Affiliations: U.O. di Pneumologia e Terapia Semi-Intensiva Respiratoria, Servizio di Fisiopatologia Respiratoria ed Emodinamica Polmonare, Ospedale San Giuseppe, MultiMedica IRCCS, Milan, Italy. Faculté de Médecine, Université Paris-Sud, Université Paris-Saclay, Le Kremlin-Bicêtre, France. Service de Pneumologie, Centre de Référence de l’Hypertension Pulmonaire, Hôpital Bicêtre (Assistance Publ...