there are test kits you can buy - buying on the darknet is similar to ebay - there are reviews and seller ratings etc if you are really struggling, cost is pro

there are test kits you can buy - buying on the darknet is similar to ebay - there are reviews and seller ratings etc if you are really struggling, cost is prohibitive, and you think this might be an option then trying it once or twice at home is reasonable risk reward tradeoff, speaking from personal experience.