Polio has been vanishingly rare in the United States for nearly a half-century, but it seems to have made a return. Here's what to know:
vaccines became available in the 1950s, people wary of the disabling disease were afraid to allow their children outside, let alone go to school. As polio appears again decades after it was considered eliminated in the U.S., Americans unfamiliar with the dreaded disease need a primer on protecting themselves and their young children — many of whom are emerging from the trauma of the covid-19Polio is short for “poliomyelitis,” a neurological disease caused by a poliovirus infection.
There are two types of polio vaccine: killed, inactivated polio vaccine and weakened, live, oral polio vaccine . IPV is an injectable vaccine. OPV may be given by drops in the mouth or on a sugar cube, so it’s easier to administer. Both vaccines are highly effective against paralytic poliomyelitis, but OPV appears to be more effective in preventing infection and transmission.
Vaccination against polio began in 1955 in the United States. Cases of paralytic poliomyelitis disease plummeted from over 15,000 a year in the early 1950s to under 100 in the 1960s and then down to fewer than 10 in the 1970s. Today, poliovirus is most likely to spread where hygiene and sanitation are poor and vaccination rates are low.
Adults who are immunocompromised, traveling to a country where poliovirus is circulating, or at increased risk for exposure to poliovirus on the job, such as some lab workers and health care workers, may get a one-time IPV booster.People with mild poliovirus infection don’t require treatment. Symptoms usually go away on their own within a couple of days.
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