The leishmaniases in Kenya: A scoping review.

Background: The leishmaniases are a group of four vector-borne neglected tropical diseases caused by 20 species of protozoan parasites of the genus Leishmania and transmitted through a bite of infected female phlebotomine sandflies. Endemic in over 100 countries, the four types of leishmaniasis-visceral leishmaniasis (VL) (known as kala-azar), cutaneous leishmaniasis (CL), mucocutaneous leishmaniasis (MCL), and post-kala-azar dermal leishmaniasis (PKDL)-put 1.6 billion people at risk.

Ethics and Effectiveness of US COVID-19 Vaccine Mandates and Vaccination Passports: A Review.

Background: The highest-income countries procured 50 times as many COVID-19 vaccines as low-income countries, a global health inequity that resulted in only 4.6% of the poorest 5th of the world receiving a COVID-19 vaccine. High-income countries are considering vaccine mandates and passports to contain the spread of COVID-19.