 Many countries responded to appeals for humanitarian aid , pledging funds and dispatching rescue and medical teams , engineers and support personnel . Communication systems , air , land , and sea transport facilities , hospitals , and electrical networks had been damaged by the earthquake , which hampered rescue and aid efforts ; confusion over who was in charge , air traffic congestion , and problems with prioritisation of flights further complicated early relief work . Port @-@ au @-@ Prince 's morgues were overwhelmed with tens of thousands of bodies . These had to be buried in mass graves . As rescues tailed off , supplies , medical care and sanitation became priorities . Delays in aid distribution led to angry appeals from aid workers and survivors , and looting and sporadic violence were observed . On 22 January the United Nations noted that the emergency phase of the relief operation was drawing to a close , and on the following day the Haitian government officially called off the search for survivors . 
 Many countries responded to appeals for humanitarian aid , pledging funds and dispatching rescue and medical teams , engineers and support personnel . Communication systems , air , land , and sea transport facilities , hospitals , and electrical networks <a href='been_done' title='1'><mark>had</mark></a> been damaged by the earthquake , which hampered rescue and aid efforts ; confusion over <a href='null_relcl' title='2'><mark>who</mark></a>was in charge , air traffic congestion , and problems with prioritisation of flights further complicated early relief work . Port @-@ au @-@ Prince <a href='null_genetive' title='3'><mark>'s</mark></a>morgues <a href='uninflect' title='4'><mark>were</mark></a> overwhelmed with tens of thousands of bodies . These had to be buried in mass graves . As rescues tailed off , supplies , medical care and sanitation became priorities . Delays in aid distribution led to angry appeals from aid workers and survivors , and looting and sporadic violence <a href='uninflect' title='5'><mark>were</mark></a> observed . On 22 January the United Nations noted that the emergency phase of the relief operation was drawing to a close , and on the following day the Haitian government officially called off the search for survivors . 
Many countries responded to appeals fa humanitarian aid , pledging funds and dispatching rescue and medical teams , engineers and support personnel . Communication systems , air , land , and sea transport facilities , hospitals , and electrical networks done been damaged by the earthquake , which hampered rescue and aid efforts ; confusion ova was in charge , air traffic congestion , and problems wid prioritisation of flights further complicated early relief wrk . Port @-@ au @-@ Prince  morgues was overwhelmed wwtens of thousands of bodies . dese had to b buried in mass graves . As rescues tailed off , supplies , medical care and sanitation became priorities . Delays in aid distribution led to angry appeals from aid workers and survivors , and looting and sporadic violence was observed . On 22 January the United Nations noted that the emergency phase of the relief operation was drawing to a close , and on the following day the Haitian government officially called off the search for survivors .