Daca cineva stie ce vaccin antipolio (producator, suse folosite, nume etc.) se folosea in 1975 in Romania, il rog sa comenteze. Sau dati share, poate stie cineva. Multumesc! CDC: "All of the current evidence indicates that polio vaccines have been free of SV40 since 1963." Not so. In 2005, the journal Cancer Research published a study titled, "Some oral poliovirus vaccines were contaminated with infectious SV40 after 1961."[15] The research for the study was prompted by the detection of SV40 in a wide range of human tumors,(3-12) leading the World Health Organization to issue a recommendation in 2000 to test polio vaccines produced after 1961. They found that vaccines from a major eastern European manufacturer (EEVM) contained infectious SV40 which were "produced from early 1960s to about 1978 and were used throughout the world." They used 3 different technical approaches (PCR, transfection, and direct infection of susceptible cell cultures) to confirm the presence of two separate infectious SV40 strains in EEVM. The researchers expanded on this finding: The EEVM samples that we tested were produced in 1966 and 1969; therefore, we show that SV40 contaminated some polio vaccines at least until that period. The EEVM vaccine samples we tested ( Table 1) were produced with the same seed virus that was used until 1978, apparently without any further purification to remove SV40.
Posted on: Sun, 21 Jul 2013 20:27:57 +0000
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