Delta variant, is the Delta variant defeating us? Why it is difficult to trace people who came in contact with this form of covid 19 Difficult to trace people who came in contact with Delta variant
Kensington (Australia): The lockdown began in Greater Sydney on 26 June, and nearly a month later, New South Wales is reporting about 100 new cases of Kovid-19 a day. We are seeing the virus spreading beyond the eastern suburbs as well. After this the infection spread from New South Wales to Victoria, which led to the imposition of lockdown there after South Australia. Delta is by far the most contagious of all the forms detected. The original Wuhan form of the coronavirus was replaced by the more infectious D614G variant by March 2020 and was responsible for the second wave in Victoria.
This was followed by the alpha form in the UK in September and was more contagious. Alpha appeared to spread worldwide by the beginning of 2021 but then came in delta form. This form is mutagenic which makes it far more infectious than alpha and enables it to protect against immunity from vaccines. One study found that the delta form has twice the risk of hospitalization, ICU admission, and death. That’s why New South Wales’s strategy of investigating and tracing contacts did not work against Delta. Delta has made the job more difficult-
1) In the lack of enough vaccines for everyone to control the epidemic, all new cases need to be screened and isolated to prevent the spread of infection.
2) There is a need to trace all the people in contact and isolate them for a certain period so that the infection does not spread further. SARS-CoV-2 is more contagious in people who do not have symptoms of the disease, so without tracing the people in contact, these people will not know that they are infected and they can infect other people as well. Along with this, it is also important to trace the people who came in contact so that you know from which person they got the infection.
3) It is necessary to wear a mask
4) It is necessary to follow social distance to reduce the contact between people.
A detailed study found that the average time from coming into contact with the infected was six days in 2020 but in the case of the delta form it is four days. This has made it difficult to trace the people who came in contact with them before they become infected. So what can we do apart from lockdown every time the infection spreads? First of all we need to get vaccinated. Countries such as Israel have fully vaccinated more than 60 percent of their population and are spreading delta-type infections, but people are avoiding hospitalization and death.
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