Individuals living in London also had the highest number of positive antibody tests in the country - around twice the national average.
On the topic of vaccinations, Dr Hilary spoke about the possibility of people needing repeated injections to protected them from Covid-19 in the future.
Three months later, however, the study showed that had dropped to 4.4pc - with most of the decline happening within just six weeks.
Awadalla said he hopes this study helps to explain which groups of people are developing the antibodies and which aren't, and how long the antibodies last in different groups of people.
Those for whom the infection was confirmed with a PCR, or polymerase chain reaction, test had a less pronounced decline in antibodies, compared to those who had been asymptomatic and unaware of their infection. IgG antibodies develop later, and often indicate a past infection.
USA astronaut cast her absentee ballot from 253miles above the Earth
Then they use a space station training computer to test whether they're able to fill it out and send it back to the county clerk. Last week, American astronaut Kate Rubins cast ballot from the International Space Station (ISS).
"This very large study has shown that the proportion of people with detectable antibodies is falling over time", Dr. Helen Ward, one of the study's authors and professor at Imperial College London, told CNBC. It remains unclear what level of immunity antibodies provide, or for how long this immunity lasts.
Regardless of their antibody status, people are still required to socially distance, get tested if they display symptoms and wear face coverings as and when required.
"We know that people who are working in long-term care homes or frontline workers are both becoming exposed, developing the disease and it seems that - quite likely - that they are also maintaining immunity potentially in a different way than people in the regular population", he said.
The concept of "herd immunity" has always been touted as an alternative strategy for dealing with the coronavirus pandemic, as opposed to lockdowns while awaiting development of a vaccine, however, there is mounting evidence that runs contrary to this proposal. So it isn't unusual to see the prevalence of antibodies drop in the community.
Findings published by Imperial College London and Ipsos MORI today suggest that our antibody response to COVID-19 reduces over time following infection. The testing kits, called Lateral Flow Tests, detect antibodies above a particular concentration in the blood and do not measure the amount of antibodies in a particular person, according to Imperial College. Researchers say four in five patients dealing with coronavirus are also lacking the important nutrient. Based on their experience with other coronaviruses, the scientists suggest immunity may not be long-lasting, reports CBC Canada.
"This study will improve our understanding of the spread of COVID-19 among populations at higher risk of infection and will allow us to plan and target our public health approaches more effectively", she said.