A woman receives a flu vaccination, after a sharp jump in cases of the virus H1N1, at a subway station in Mexico City. March 4, 2016.Photo by Tomas Bravo

Aedes aegypti mosquito larvae and a pupae (top L) are seen through a stereoscopic microscope as part of a research on preventing the spread of the Zika virus and other mosquito-borne diseases at a control and prevention center in Guadalupe, neighbouring Monterrey, Mexico. March 8, 2016.

Photo by Daniel Becerril

A student carries a cross that reads in Spanish «For you, for all» next to other activists and women during a march to mark International Women’s Day along the streets in Mexico City, Mexico. March 8, 20166.Photo by Henry Romero

An activist holds sign that reads, «#Justice for Berta» to protest against the murder of environmental rights activist Berta Caceres, during International Women’s Day outside the Honduras Embassy in Mexico City, Mexico. March 8, 2016.Photo by Edgard Garrido

Former Brazilian President Luiz Inacio Lula da Silva (R), his wife Marisa and Brazilian President Dilma Rousseff (C) wave from the window of his home in Sao Bernardo do Camopo, Brazil. March 5, 2016.Photo by Paulo Whitaker

Migrants who are waiting to cross the Greek-Macedonian border, stand on a filed at a makeshift camp near the village of Idomeni, Greece. March 7, 2016.Photo by Marko Djurica

Migrant children stand in a tent at a makeshift camp on the Greek-Macedonian border near the village of Idomeni, Greece. March 10, 2016.Photo by Stoyan Nenov

Migrants try to get products from a truck at a makeshift camp on the Greek-Macedonian border near the village of Idomeni, Greece. March 10, 2016.Photo by Stoyan Nenov

Students test their self-made filters during a joint workshop between the Hong Kong Astronomical Society and Indonesia’s National Institute of Aeronautics and Space (LAPAN) at a high school in Ternate island, Indonesia, ahead of Wednesday’s solar eclipse, Indonesia. March 7, 2016.

Photo by Beawiharta Beawiharta

A combination photograph shows the beginning (top L) to the end (top L to bottom R) of a total solar eclipse as seen from the beach of Ternate island, Indonesia. March 9, 2016.Photo byBeawiharta Beawiharta

Los Angeles, CA, USA; Maria Sharapova arrives for a press conference announcing a failed drug test after the Australian Open during a press conference today at The LA Hotel Downtown, USA. March 7, 2016.Photo by USA Today Sports

Sitting volleyball Paralympian Bethany Zummo poses for a portrait at the U.S. Olympic Committee Media Summit in Beverly Hills, Los Angeles, California. USA, March 7, 2016.Photo by Lucy Nicholson

A model presents a creation by French designer Nicolas Ghesquiere as part of his Fall/Winter 2016/2017 women’s ready-to-wear collection show for Louis Vuitton in Paris, France. March 9, 2016.

Photo by Benoit Tessier

Supporters of Democratic U.S. presidential candidate Hillary Clinton hold their hands over their hearts for the U.S. National Anthem as they wait for Clinton to arrive at a campaign rally in Cleveland, Ohio, USA. March 8, 2016.Photo by Carlos Barria

Packages of seized cocaine are seen as a police officer stands guard during a presentation to the media at the Air- Naval police base in Panama City. March 7, 2016.

Photo Carlos Jasso