01439nas a2200193   4500000000100000008004100001260001600042653005700058653002400115653001300139100002100152700002200173700002600195245012800221856015300349300001100502520071800513022001401231       2021                            d  bElsevier BV10aPublic Health, Environmental and Occupational Health10aInfectious Diseases10aCovid-191 aChacin-Bonilla L1 aChacón-Fonseca N1 aRodriguez-Morales. AJ00aEmerging issues in COVID-19 vaccination in Tropical Areas: Impact of the Immune Response against Helminths in Endemic Areas  uhttps://www.sciencedirect.com/science/article/pii/S1477893921001289/pdfft?md5=cd87bcca5af9e66cc44babe63e1b21d6&pid=1-s2.0-S1477893921001289-main.pdf  a1020873 aThe Coronavirus Disease 2019 (COVID-19) pandemic has affected over 165 million people and caused the death of 3.4 million worldwide (up to May 20, 2021) (https://coronavirus.jhu.edu/map.html), becoming a serious problem of global public health and the worst epidemic in the last century, after the pandemic 1918 influenza. Researchers worldwide are trying to find valuable drugs against the Severe Acute Respiratory Syndrome coronavirus 2 (SARS-CoV-2). Some of them focused as antivirals, others targeted in other ways (e.g. immunomodulation) to relieve the symptoms of the infected patients and help lower the death toll throughout the world. Unfortunately, there is a lack of effective drugs to manage COVID-19.  a1477-8939